Finding the Fourth Proportional to 2,329,689.30, 3,492,456.30 and 909,415.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,329,689.30 : 3,492,456.30 = 909,415.05 : x
2. Step 2: Convert to fraction form
   2,329,689.30/3,492,456.30 = 909,415.05/x
3. Step 3: Cross multiply
   2,329,689.30x = 3,492,456.30 × 909,415.05
4. Step 4: Simplify right side
   2,329,689.30x = 3,176,092,320,687.32
5. Step 5: Solve for x
   x = 3,176,092,320,687.32/2,329,689.30
6. Step 6: Final answer
   x = 1,363,311.55