Finding the Fourth Proportional to 9,515,707.61, 13,131,643.25 and 5,164,793.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,515,707.61 : 13,131,643.25 = 5,164,793.69 : x
2. Step 2: Convert to fraction form
   9,515,707.61/13,131,643.25 = 5,164,793.69/x
3. Step 3: Cross multiply
   9,515,707.61x = 13,131,643.25 × 5,164,793.69
4. Step 4: Simplify right side
   9,515,707.61x = 67,822,228,144,184.85
5. Step 5: Solve for x
   x = 67,822,228,144,184.85/9,515,707.61
6. Step 6: Final answer
   x = 7,127,397.24