Finding the Fourth Proportional to 147,111.30, 220,606.47 and 58,352.58

Step by Step Solution

1. Step 1: Write the proportion equation
   147,111.30 : 220,606.47 = 58,352.58 : x
2. Step 2: Convert to fraction form
   147,111.30/220,606.47 = 58,352.58/x
3. Step 3: Cross multiply
   147,111.30x = 220,606.47 × 58,352.58
4. Step 4: Simplify right side
   147,111.30x = 12,872,956,689.19
5. Step 5: Solve for x
   x = 12,872,956,689.19/147,111.30
6. Step 6: Final answer
   x = 87,504.88