Finding the Fourth Proportional to 147,061.32, 220,664.88 and 58,312.92

Step by Step Solution

1. Step 1: Write the proportion equation
   147,061.32 : 220,664.88 = 58,312.92 : x
2. Step 2: Convert to fraction form
   147,061.32/220,664.88 = 58,312.92/x
3. Step 3: Cross multiply
   147,061.32x = 220,664.88 × 58,312.92
4. Step 4: Simplify right side
   147,061.32x = 12,867,613,494.25
5. Step 5: Solve for x
   x = 12,867,613,494.25/147,061.32
6. Step 6: Final answer
   x = 87,498.29