Finding the Fourth Proportional to 59,590.08, 88,958.70 and 57,512.34

Step by Step Solution

1. Step 1: Write the proportion equation
   59,590.08 : 88,958.70 = 57,512.34 : x
2. Step 2: Convert to fraction form
   59,590.08/88,958.70 = 57,512.34/x
3. Step 3: Cross multiply
   59,590.08x = 88,958.70 × 57,512.34
4. Step 4: Simplify right side
   59,590.08x = 5,116,223,000.36
5. Step 5: Solve for x
   x = 5,116,223,000.36/59,590.08
6. Step 6: Final answer
   x = 85,856.96