Finding the Fourth Proportional to 99,082.96, 136,774.92 and 73,888.72

Step by Step Solution

1. Step 1: Write the proportion equation
   99,082.96 : 136,774.92 = 73,888.72 : x
2. Step 2: Convert to fraction form
   99,082.96/136,774.92 = 73,888.72/x
3. Step 3: Cross multiply
   99,082.96x = 136,774.92 × 73,888.72
4. Step 4: Simplify right side
   99,082.96x = 10,106,123,766.90
5. Step 5: Solve for x
   x = 10,106,123,766.90/99,082.96
6. Step 6: Final answer
   x = 101,996.59