Finding the Fourth Proportional to 74,131.40, 102,348.56 and 48,682.82

Step by Step Solution

1. Step 1: Write the proportion equation
   74,131.40 : 102,348.56 = 48,682.82 : x
2. Step 2: Convert to fraction form
   74,131.40/102,348.56 = 48,682.82/x
3. Step 3: Cross multiply
   74,131.40x = 102,348.56 × 48,682.82
4. Step 4: Simplify right side
   74,131.40x = 4,982,616,901.32
5. Step 5: Solve for x
   x = 4,982,616,901.32/74,131.40
6. Step 6: Final answer
   x = 67,213.31