Finding the Fourth Proportional to 147,326.72, 221,004.33 and 58,560.31

Step by Step Solution

1. Step 1: Write the proportion equation
   147,326.72 : 221,004.33 = 58,560.31 : x
2. Step 2: Convert to fraction form
   147,326.72/221,004.33 = 58,560.31/x
3. Step 3: Cross multiply
   147,326.72x = 221,004.33 × 58,560.31
4. Step 4: Simplify right side
   147,326.72x = 12,942,080,678.32
5. Step 5: Solve for x
   x = 12,942,080,678.32/147,326.72
6. Step 6: Final answer
   x = 87,846.12