Finding the Fourth Proportional to 42,268.38, 58,330.47 and 22,887.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,268.38 : 58,330.47 = 22,887.50 : x
2. Step 2: Convert to fraction form
   42,268.38/58,330.47 = 22,887.50/x
3. Step 3: Cross multiply
   42,268.38x = 58,330.47 × 22,887.50
4. Step 4: Simplify right side
   42,268.38x = 1,335,038,340.47
5. Step 5: Solve for x
   x = 1,335,038,340.47/42,268.38
6. Step 6: Final answer
   x = 31,584.80