Finding the Fourth Proportional to 202,573.89, 279,552.03 and 113,149.89

Step by Step Solution

1. Step 1: Write the proportion equation
   202,573.89 : 279,552.03 = 113,149.89 : x
2. Step 2: Convert to fraction form
   202,573.89/279,552.03 = 113,149.89/x
3. Step 3: Cross multiply
   202,573.89x = 279,552.03 × 113,149.89
4. Step 4: Simplify right side
   202,573.89x = 31,631,281,443.78
5. Step 5: Solve for x
   x = 31,631,281,443.78/202,573.89
6. Step 6: Final answer
   x = 156,146.88