Finding the Fourth Proportional to 140,165.98, 193,454.13 and 83,581

Step by Step Solution

1. Step 1: Write the proportion equation
   140,165.98 : 193,454.13 = 83,581 : x
2. Step 2: Convert to fraction form
   140,165.98/193,454.13 = 83,581/x
3. Step 3: Cross multiply
   140,165.98x = 193,454.13 × 83,581
4. Step 4: Simplify right side
   140,165.98x = 16,169,089,639.53
5. Step 5: Solve for x
   x = 16,169,089,639.53/140,165.98
6. Step 6: Final answer
   x = 115,356.73