Finding the Fourth Proportional to 202,485.25, 279,429.65 and 113,061.25

Step by Step Solution

1. Step 1: Write the proportion equation
   202,485.25 : 279,429.65 = 113,061.25 : x
2. Step 2: Convert to fraction form
   202,485.25/279,429.65 = 113,061.25/x
3. Step 3: Cross multiply
   202,485.25x = 279,429.65 × 113,061.25
4. Step 4: Simplify right side
   202,485.25x = 31,592,665,516.06
5. Step 5: Solve for x
   x = 31,592,665,516.06/202,485.25
6. Step 6: Final answer
   x = 156,024.53