Finding the Fourth Proportional to 42,484.30, 58,644.24 and 31,904.50

Step by Step Solution

1. Step 1: Write the proportion equation
   42,484.30 : 58,644.24 = 31,904.50 : x
2. Step 2: Convert to fraction form
   42,484.30/58,644.24 = 31,904.50/x
3. Step 3: Cross multiply
   42,484.30x = 58,644.24 × 31,904.50
4. Step 4: Simplify right side
   42,484.30x = 1,871,015,155.08
5. Step 5: Solve for x
   x = 1,871,015,155.08/42,484.30
6. Step 6: Final answer
   x = 44,040.15