Finding the Fourth Proportional to 155,668.72, 214,833.72 and 88,600.72

Step by Step Solution

1. Step 1: Write the proportion equation
   155,668.72 : 214,833.72 = 88,600.72 : x
2. Step 2: Convert to fraction form
   155,668.72/214,833.72 = 88,600.72/x
3. Step 3: Cross multiply
   155,668.72x = 214,833.72 × 88,600.72
4. Step 4: Simplify right side
   155,668.72x = 19,034,422,272.28
5. Step 5: Solve for x
   x = 19,034,422,272.28/155,668.72
6. Step 6: Final answer
   x = 122,275.19