Finding the Fourth Proportional to 62,139.76, 93,131.82 and 48,940

Step by Step Solution

1. Step 1: Write the proportion equation
   62,139.76 : 93,131.82 = 48,940 : x
2. Step 2: Convert to fraction form
   62,139.76/93,131.82 = 48,940/x
3. Step 3: Cross multiply
   62,139.76x = 93,131.82 × 48,940
4. Step 4: Simplify right side
   62,139.76x = 4,557,871,270.80
5. Step 5: Solve for x
   x = 4,557,871,270.80/62,139.76
6. Step 6: Final answer
   x = 73,348.71