Finding the Fourth Proportional to 147,498.84, 221,233.68 and 58,728.51

Step by Step Solution

1. Step 1: Write the proportion equation
   147,498.84 : 221,233.68 = 58,728.51 : x
2. Step 2: Convert to fraction form
   147,498.84/221,233.68 = 58,728.51/x
3. Step 3: Cross multiply
   147,498.84x = 221,233.68 × 58,728.51
4. Step 4: Simplify right side
   147,498.84x = 12,992,724,388.22
5. Step 5: Solve for x
   x = 12,992,724,388.22/147,498.84
6. Step 6: Final answer
   x = 88,086.96