Finding the Fourth Proportional to 9,487,513.60, 13,092,610.56 and 5,136,564.64

Step by Step Solution

1. Step 1: Write the proportion equation
   9,487,513.60 : 13,092,610.56 = 5,136,564.64 : x
2. Step 2: Convert to fraction form
   9,487,513.60/13,092,610.56 = 5,136,564.64/x
3. Step 3: Cross multiply
   9,487,513.60x = 13,092,610.56 × 5,136,564.64
4. Step 4: Simplify right side
   9,487,513.60x = 67,251,040,447,786.59
5. Step 5: Solve for x
   x = 67,251,040,447,786.59/9,487,513.60
6. Step 6: Final answer
   x = 7,088,373.55