Finding the Fourth Proportional to 155,626.72, 233,512.98 and 76,697.89

Step by Step Solution

1. Step 1: Write the proportion equation
   155,626.72 : 233,512.98 = 76,697.89 : x
2. Step 2: Convert to fraction form
   155,626.72/233,512.98 = 76,697.89/x
3. Step 3: Cross multiply
   155,626.72x = 233,512.98 × 76,697.89
4. Step 4: Simplify right side
   155,626.72x = 17,909,951,302.56
5. Step 5: Solve for x
   x = 17,909,951,302.56/155,626.72
6. Step 6: Final answer
   x = 115,082.76