Finding the Fourth Proportional to 58,731.52, 81,047.28 and 33,238.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,731.52 : 81,047.28 = 33,238.72 : x
2. Step 2: Convert to fraction form
   58,731.52/81,047.28 = 33,238.72/x
3. Step 3: Cross multiply
   58,731.52x = 81,047.28 × 33,238.72
4. Step 4: Simplify right side
   58,731.52x = 2,693,907,846.68
5. Step 5: Solve for x
   x = 2,693,907,846.68/58,731.52
6. Step 6: Final answer
   x = 45,868.18