Finding the Fourth Proportional to 147,581.33, 221,293.33 and 57,654.63

Step by Step Solution

1. Step 1: Write the proportion equation
   147,581.33 : 221,293.33 = 57,654.63 : x
2. Step 2: Convert to fraction form
   147,581.33/221,293.33 = 57,654.63/x
3. Step 3: Cross multiply
   147,581.33x = 221,293.33 × 57,654.63
4. Step 4: Simplify right side
   147,581.33x = 12,758,584,088.63
5. Step 5: Solve for x
   x = 12,758,584,088.63/147,581.33
6. Step 6: Final answer
   x = 86,451.21