Finding the Fourth Proportional to 202,082.48, 278,889.72 and 111,446.72

Step by Step Solution

1. Step 1: Write the proportion equation
   202,082.48 : 278,889.72 = 111,446.72 : x
2. Step 2: Convert to fraction form
   202,082.48/278,889.72 = 111,446.72/x
3. Step 3: Cross multiply
   202,082.48x = 278,889.72 × 111,446.72
4. Step 4: Simplify right side
   202,082.48x = 31,081,344,535.72
5. Step 5: Solve for x
   x = 31,081,344,535.72/202,082.48
6. Step 6: Final answer
   x = 153,805.24