Finding the Fourth Proportional to 46,128,085,824.85, 69,185,137,613.88 and 12,554,324,613.89

Step by Step Solution

1. Step 1: Write the proportion equation
   46,128,085,824.85 : 69,185,137,613.88 = 12,554,324,613.89 : x
2. Step 2: Convert to fraction form
   46,128,085,824.85/69,185,137,613.88 = 12,554,324,613.89/x
3. Step 3: Cross multiply
   46,128,085,824.85x = 69,185,137,613.88 × 12,554,324,613.89
4. Step 4: Simplify right side
   46,128,085,824.85x = 868,572,676,061,300,523,008
5. Step 5: Solve for x
   x = 868,572,676,061,300,523,008/46,128,085,824.85
6. Step 6: Final answer
   x = 18,829,584,200.81