Finding the Fourth Proportional to 262,443.77, 362,081.90 and 147,699.17

Step by Step Solution

1. Step 1: Write the proportion equation
   262,443.77 : 362,081.90 = 147,699.17 : x
2. Step 2: Convert to fraction form
   262,443.77/362,081.90 = 147,699.17/x
3. Step 3: Cross multiply
   262,443.77x = 362,081.90 × 147,699.17
4. Step 4: Simplify right side
   262,443.77x = 53,479,194,660.86
5. Step 5: Solve for x
   x = 53,479,194,660.86/262,443.77
6. Step 6: Final answer
   x = 203,773.92