Finding the Fourth Proportional to 1,426,854.18, 1,969,061.40 and 773,478.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,854.18 : 1,969,061.40 = 773,478.18 : x
2. Step 2: Convert to fraction form
   1,426,854.18/1,969,061.40 = 773,478.18/x
3. Step 3: Cross multiply
   1,426,854.18x = 1,969,061.40 × 773,478.18
4. Step 4: Simplify right side
   1,426,854.18x = 1,523,026,027,980.25
5. Step 5: Solve for x
   x = 1,523,026,027,980.25/1,426,854.18
6. Step 6: Final answer
   x = 1,067,401.31