Finding the Fourth Proportional to 147,427.72, 221,155.93 and 58,660.47

Step by Step Solution

1. Step 1: Write the proportion equation
   147,427.72 : 221,155.93 = 58,660.47 : x
2. Step 2: Convert to fraction form
   147,427.72/221,155.93 = 58,660.47/x
3. Step 3: Cross multiply
   147,427.72x = 221,155.93 × 58,660.47
4. Step 4: Simplify right side
   147,427.72x = 12,973,110,019.90
5. Step 5: Solve for x
   x = 12,973,110,019.90/147,427.72
6. Step 6: Final answer
   x = 87,996.41