Finding the Fourth Proportional to 262,003.30, 392,567.55 and 224,386.90

Step by Step Solution

1. Step 1: Write the proportion equation
   262,003.30 : 392,567.55 = 224,386.90 : x
2. Step 2: Convert to fraction form
   262,003.30/392,567.55 = 224,386.90/x
3. Step 3: Cross multiply
   262,003.30x = 392,567.55 × 224,386.90
4. Step 4: Simplify right side
   262,003.30x = 88,087,015,585.10
5. Step 5: Solve for x
   x = 88,087,015,585.10/262,003.30
6. Step 6: Final answer
   x = 336,205.75