Finding the Fourth Proportional to 147,575.59, 221,469.76 and 58,777.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,575.59 : 221,469.76 = 58,777.72 : x
2. Step 2: Convert to fraction form
   147,575.59/221,469.76 = 58,777.72/x
3. Step 3: Cross multiply
   147,575.59x = 221,469.76 × 58,777.72
4. Step 4: Simplify right side
   147,575.59x = 13,017,487,061.54
5. Step 5: Solve for x
   x = 13,017,487,061.54/147,575.59
6. Step 6: Final answer
   x = 88,208.95