Finding the Fourth Proportional to 837,443.01, 1,250,492.06 and 664,726.98

Step by Step Solution

1. Step 1: Write the proportion equation
   837,443.01 : 1,250,492.06 = 664,726.98 : x
2. Step 2: Convert to fraction form
   837,443.01/1,250,492.06 = 664,726.98/x
3. Step 3: Cross multiply
   837,443.01x = 1,250,492.06 × 664,726.98
4. Step 4: Simplify right side
   837,443.01x = 831,235,810,557.78
5. Step 5: Solve for x
   x = 831,235,810,557.78/837,443.01
6. Step 6: Final answer
   x = 992,587.91