Finding the Fourth Proportional to 140,102, 193,340.76 and 89,801.12

Step by Step Solution

1. Step 1: Write the proportion equation
   140,102 : 193,340.76 = 89,801.12 : x
2. Step 2: Convert to fraction form
   140,102/193,340.76 = 89,801.12/x
3. Step 3: Cross multiply
   140,102x = 193,340.76 × 89,801.12
4. Step 4: Simplify right side
   140,102x = 17,362,216,789.65
5. Step 5: Solve for x
   x = 17,362,216,789.65/140,102
6. Step 6: Final answer
   x = 123,925.55