Finding the Fourth Proportional to 59,097.60, 85,507.20 and 59,097.60

Step by Step Solution

1. Step 1: Write the proportion equation
   59,097.60 : 85,507.20 = 59,097.60 : x
2. Step 2: Convert to fraction form
   59,097.60/85,507.20 = 59,097.60/x
3. Step 3: Cross multiply
   59,097.60x = 85,507.20 × 59,097.60
4. Step 4: Simplify right side
   59,097.60x = 5,053,270,302.72
5. Step 5: Solve for x
   x = 5,053,270,302.72/59,097.60
6. Step 6: Final answer
   x = 85,507.20