Finding the Fourth Proportional to 42,610.68, 58,909.02 and 31,981.86

Step by Step Solution

1. Step 1: Write the proportion equation
   42,610.68 : 58,909.02 = 31,981.86 : x
2. Step 2: Convert to fraction form
   42,610.68/58,909.02 = 31,981.86/x
3. Step 3: Cross multiply
   42,610.68x = 58,909.02 × 31,981.86
4. Step 4: Simplify right side
   42,610.68x = 1,884,020,030.38
5. Step 5: Solve for x
   x = 1,884,020,030.38/42,610.68
6. Step 6: Final answer
   x = 44,214.74