Finding the Fourth Proportional to 1,143,166.42, 1,577,498.79 and 633,868.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,143,166.42 : 1,577,498.79 = 633,868.78 : x
2. Step 2: Convert to fraction form
   1,143,166.42/1,577,498.79 = 633,868.78/x
3. Step 3: Cross multiply
   1,143,166.42x = 1,577,498.79 × 633,868.78
4. Step 4: Simplify right side
   1,143,166.42x = 999,927,233,468.78
5. Step 5: Solve for x
   x = 999,927,233,468.78/1,143,166.42
6. Step 6: Final answer
   x = 874,699.62