Finding the Fourth Proportional to 59,457.56, 88,654.76 and 57,824.60

Step by Step Solution

1. Step 1: Write the proportion equation
   59,457.56 : 88,654.76 = 57,824.60 : x
2. Step 2: Convert to fraction form
   59,457.56/88,654.76 = 57,824.60/x
3. Step 3: Cross multiply
   59,457.56x = 88,654.76 × 57,824.60
4. Step 4: Simplify right side
   59,457.56x = 5,126,426,035.10
5. Step 5: Solve for x
   x = 5,126,426,035.10/59,457.56
6. Step 6: Final answer
   x = 86,219.92