Finding the Fourth Proportional to 42,038.92, 58,017.81 and 31,410.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,038.92 : 58,017.81 = 31,410.10 : x
2. Step 2: Convert to fraction form
   42,038.92/58,017.81 = 31,410.10/x
3. Step 3: Cross multiply
   42,038.92x = 58,017.81 × 31,410.10
4. Step 4: Simplify right side
   42,038.92x = 1,822,345,213.88
5. Step 5: Solve for x
   x = 1,822,345,213.88/42,038.92
6. Step 6: Final answer
   x = 43,349.00