Finding the Fourth Proportional to 9,515,613.50, 13,131,561.06 and 5,164,701.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515,613.50 : 13,131,561.06 = 5,164,701.40 : x
2. Step 2: Convert to fraction form
   9,515,613.50/13,131,561.06 = 5,164,701.40/x
3. Step 3: Cross multiply
   9,515,613.50x = 13,131,561.06 × 5,164,701.40
4. Step 4: Simplify right side
   9,515,613.50x = 67,820,591,725,109.67
5. Step 5: Solve for x
   x = 67,820,591,725,109.67/9,515,613.50
6. Step 6: Final answer
   x = 7,127,295.76