Finding the Fourth Proportional to 59,300.56, 81,884.64 and 42,356.78

Step by Step Solution

1. Step 1: Write the proportion equation
   59,300.56 : 81,884.64 = 42,356.78 : x
2. Step 2: Convert to fraction form
   59,300.56/81,884.64 = 42,356.78/x
3. Step 3: Cross multiply
   59,300.56x = 81,884.64 × 42,356.78
4. Step 4: Simplify right side
   59,300.56x = 3,468,369,500.08
5. Step 5: Solve for x
   x = 3,468,369,500.08/59,300.56
6. Step 6: Final answer
   x = 58,487.97