Finding the Fourth Proportional to 216,141.57, 298,338.72 and 125,538.26

Step by Step Solution

1. Step 1: Write the proportion equation
   216,141.57 : 298,338.72 = 125,538.26 : x
2. Step 2: Convert to fraction form
   216,141.57/298,338.72 = 125,538.26/x
3. Step 3: Cross multiply
   216,141.57x = 298,338.72 × 125,538.26
4. Step 4: Simplify right side
   216,141.57x = 37,452,922,307.73
5. Step 5: Solve for x
   x = 37,452,922,307.73/216,141.57
6. Step 6: Final answer
   x = 173,279.59