Finding the Fourth Proportional to 140,116.53, 193,360.82 and 89,815.53

Step by Step Solution

1. Step 1: Write the proportion equation
   140,116.53 : 193,360.82 = 89,815.53 : x
2. Step 2: Convert to fraction form
   140,116.53/193,360.82 = 89,815.53/x
3. Step 3: Cross multiply
   140,116.53x = 193,360.82 × 89,815.53
4. Step 4: Simplify right side
   140,116.53x = 17,366,804,080.46
5. Step 5: Solve for x
   x = 17,366,804,080.46/140,116.53
6. Step 6: Final answer
   x = 123,945.43