Finding the Fourth Proportional to 2,970,520.08, 4,456,015.56 and 840,617.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,970,520.08 : 4,456,015.56 = 840,617.52 : x
2. Step 2: Convert to fraction form
   2,970,520.08/4,456,015.56 = 840,617.52/x
3. Step 3: Cross multiply
   2,970,520.08x = 4,456,015.56 × 840,617.52
4. Step 4: Simplify right side
   2,970,520.08x = 3,745,804,749,128.61
5. Step 5: Solve for x
   x = 3,745,804,749,128.61/2,970,520.08
6. Step 6: Final answer
   x = 1,260,992.91