Finding the Fourth Proportional to 2,516,851.78, 3,773,784.42 and 999,718.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,516,851.78 : 3,773,784.42 = 999,718.96 : x
2. Step 2: Convert to fraction form
   2,516,851.78/3,773,784.42 = 999,718.96/x
3. Step 3: Cross multiply
   2,516,851.78x = 3,773,784.42 × 999,718.96
4. Step 4: Simplify right side
   2,516,851.78x = 3,772,723,835,626.60
5. Step 5: Solve for x
   x = 3,772,723,835,626.60/2,516,851.78
6. Step 6: Final answer
   x = 1,498,985.31