Finding the Fourth Proportional to 42,139.13, 58,152 and 23,277.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,139.13 : 58,152 = 23,277.47 : x
2. Step 2: Convert to fraction form
   42,139.13/58,152 = 23,277.47/x
3. Step 3: Cross multiply
   42,139.13x = 58,152 × 23,277.47
4. Step 4: Simplify right side
   42,139.13x = 1,353,631,144.68
5. Step 5: Solve for x
   x = 1,353,631,144.68/42,139.13
6. Step 6: Final answer
   x = 32,122.91