Finding the Fourth Proportional to 155,629.22, 233,516.72 and 76,700.40

Step by Step Solution

1. Step 1: Write the proportion equation
   155,629.22 : 233,516.72 = 76,700.40 : x
2. Step 2: Convert to fraction form
   155,629.22/233,516.72 = 76,700.40/x
3. Step 3: Cross multiply
   155,629.22x = 233,516.72 × 76,700.40
4. Step 4: Simplify right side
   155,629.22x = 17,910,825,830.69
5. Step 5: Solve for x
   x = 17,910,825,830.69/155,629.22
6. Step 6: Final answer
   x = 115,086.52