Finding the Fourth Proportional to 760,922.61, 1,140,843.31 and 381,569.69

Step by Step Solution

1. Step 1: Write the proportion equation
   760,922.61 : 1,140,843.31 = 381,569.69 : x
2. Step 2: Convert to fraction form
   760,922.61/1,140,843.31 = 381,569.69/x
3. Step 3: Cross multiply
   760,922.61x = 1,140,843.31 × 381,569.69
4. Step 4: Simplify right side
   760,922.61x = 435,311,224,689.38
5. Step 5: Solve for x
   x = 435,311,224,689.38/760,922.61
6. Step 6: Final answer
   x = 572,083.44