Finding the Fourth Proportional to 59,123.32, 81,590.14 and 42,157.08

Step by Step Solution

1. Step 1: Write the proportion equation
   59,123.32 : 81,590.14 = 42,157.08 : x
2. Step 2: Convert to fraction form
   59,123.32/81,590.14 = 42,157.08/x
3. Step 3: Cross multiply
   59,123.32x = 81,590.14 × 42,157.08
4. Step 4: Simplify right side
   59,123.32x = 3,439,602,059.19
5. Step 5: Solve for x
   x = 3,439,602,059.19/59,123.32
6. Step 6: Final answer
   x = 58,176.74