Finding the Fourth Proportional to 42,047.19, 58,025.30 and 25,280.47

Step by Step Solution

1. Step 1: Write the proportion equation
   42,047.19 : 58,025.30 = 25,280.47 : x
2. Step 2: Convert to fraction form
   42,047.19/58,025.30 = 25,280.47/x
3. Step 3: Cross multiply
   42,047.19x = 58,025.30 × 25,280.47
4. Step 4: Simplify right side
   42,047.19x = 1,466,906,729.49
5. Step 5: Solve for x
   x = 1,466,906,729.49/42,047.19
6. Step 6: Final answer
   x = 34,887.15