Finding the Fourth Proportional to 140,076, 193,304.88 and 89,775

Step by Step Solution

1. Step 1: Write the proportion equation
   140,076 : 193,304.88 = 89,775 : x
2. Step 2: Convert to fraction form
   140,076/193,304.88 = 89,775/x
3. Step 3: Cross multiply
   140,076x = 193,304.88 × 89,775
4. Step 4: Simplify right side
   140,076x = 17,353,945,602
5. Step 5: Solve for x
   x = 17,353,945,602/140,076
6. Step 6: Final answer
   x = 123,889.50