Finding the Fourth Proportional to 2,783,139.90, 4,174,272.45 and 985,766.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,783,139.90 : 4,174,272.45 = 985,766.10 : x
2. Step 2: Convert to fraction form
   2,783,139.90/4,174,272.45 = 985,766.10/x
3. Step 3: Cross multiply
   2,783,139.90x = 4,174,272.45 × 985,766.10
4. Step 4: Simplify right side
   2,783,139.90x = 4,114,856,273,373.95
5. Step 5: Solve for x
   x = 4,114,856,273,373.95/2,783,139.90
6. Step 6: Final answer
   x = 1,478,494.23