Finding the Fourth Proportional to 147,648.71, 221,459.02 and 58,878.47

Step by Step Solution

1. Step 1: Write the proportion equation
   147,648.71 : 221,459.02 = 58,878.47 : x
2. Step 2: Convert to fraction form
   147,648.71/221,459.02 = 58,878.47/x
3. Step 3: Cross multiply
   147,648.71x = 221,459.02 × 58,878.47
4. Step 4: Simplify right side
   147,648.71x = 13,039,168,265.30
5. Step 5: Solve for x
   x = 13,039,168,265.30/147,648.71
6. Step 6: Final answer
   x = 88,312.10