Finding the Fourth Proportional to 147,034.32, 220,624.38 and 58,285.86

Step by Step Solution

1. Step 1: Write the proportion equation
   147,034.32 : 220,624.38 = 58,285.86 : x
2. Step 2: Convert to fraction form
   147,034.32/220,624.38 = 58,285.86/x
3. Step 3: Cross multiply
   147,034.32x = 220,624.38 × 58,285.86
4. Step 4: Simplify right side
   147,034.32x = 12,859,281,725.27
5. Step 5: Solve for x
   x = 12,859,281,725.27/147,034.32
6. Step 6: Final answer
   x = 87,457.69