Finding the Fourth Proportional to 360,565.84, 497,577.72 and 199,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   360,565.84 : 497,577.72 = 199,432.72 : x
2. Step 2: Convert to fraction form
   360,565.84/497,577.72 = 199,432.72/x
3. Step 3: Cross multiply
   360,565.84x = 497,577.72 × 199,432.72
4. Step 4: Simplify right side
   360,565.84x = 99,233,278,111.00
5. Step 5: Solve for x
   x = 99,233,278,111.00/360,565.84
6. Step 6: Final answer
   x = 275,215.42