Finding the Fourth Proportional to 2,970,592.08, 4,456,123.56 and 840,689.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970,592.08 : 4,456,123.56 = 840,689.52 : x
2. Step 2: Convert to fraction form
   2,970,592.08/4,456,123.56 = 840,689.52/x
3. Step 3: Cross multiply
   2,970,592.08x = 4,456,123.56 × 840,689.52
4. Step 4: Simplify right side
   2,970,592.08x = 3,746,216,376,717.09
5. Step 5: Solve for x
   x = 3,746,216,376,717.09/2,970,592.08
6. Step 6: Final answer
   x = 1,261,100.91