Finding the Fourth Proportional to 59,366,057.60, 88,860,129.60 and 42,359,945.60

Step by Step Solution

1. Step 1: Write the proportion equation
   59,366,057.60 : 88,860,129.60 = 42,359,945.60 : x
2. Step 2: Convert to fraction form
   59,366,057.60/88,860,129.60 = 42,359,945.60/x
3. Step 3: Cross multiply
   59,366,057.60x = 88,860,129.60 × 42,359,945.60
4. Step 4: Simplify right side
   59,366,057.60x = 3,764,110,255,864,949.50
5. Step 5: Solve for x
   x = 3,764,110,255,864,949.50/59,366,057.60
6. Step 6: Final answer
   x = 63,405,090.52