Finding the Fourth Proportional to 2,554,300.98, 3,831,451.47 and 661,036.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,554,300.98 : 3,831,451.47 = 661,036.95 : x
2. Step 2: Convert to fraction form
   2,554,300.98/3,831,451.47 = 661,036.95/x
3. Step 3: Cross multiply
   2,554,300.98x = 3,831,451.47 × 661,036.95
4. Step 4: Simplify right side
   2,554,300.98x = 2,532,730,993,801.82
5. Step 5: Solve for x
   x = 2,532,730,993,801.82/2,554,300.98
6. Step 6: Final answer
   x = 991,555.43