Finding the Fourth Proportional to 147,103.71, 220,461.89 and 58,308.81

Step by Step Solution

1. Step 1: Write the proportion equation
   147,103.71 : 220,461.89 = 58,308.81 : x
2. Step 2: Convert to fraction form
   147,103.71/220,461.89 = 58,308.81/x
3. Step 3: Cross multiply
   147,103.71x = 220,461.89 × 58,308.81
4. Step 4: Simplify right side
   147,103.71x = 12,854,870,164.71
5. Step 5: Solve for x
   x = 12,854,870,164.71/147,103.71
6. Step 6: Final answer
   x = 87,386.44