Finding the Fourth Proportional to 42,687.70, 58,916.73 and 25,461.17

Step by Step Solution

1. Step 1: Write the proportion equation
   42,687.70 : 58,916.73 = 25,461.17 : x
2. Step 2: Convert to fraction form
   42,687.70/58,916.73 = 25,461.17/x
3. Step 3: Cross multiply
   42,687.70x = 58,916.73 × 25,461.17
4. Step 4: Simplify right side
   42,687.70x = 1,500,088,878.37
5. Step 5: Solve for x
   x = 1,500,088,878.37/42,687.70
6. Step 6: Final answer
   x = 35,141.01