Finding the Fourth Proportional to 12,398,630.85, 17,111,494.71 and 7,506,548.79

Step by Step Solution

1. Step 1: Write the proportion equation
   12,398,630.85 : 17,111,494.71 = 7,506,548.79 : x
2. Step 2: Convert to fraction form
   12,398,630.85/17,111,494.71 = 7,506,548.79/x
3. Step 3: Cross multiply
   12,398,630.85x = 17,111,494.71 × 7,506,548.79
4. Step 4: Simplify right side
   12,398,630.85x = 128,448,269,910,441.91
5. Step 5: Solve for x
   x = 128,448,269,910,441.91/12,398,630.85
6. Step 6: Final answer
   x = 10,359,875.33