Finding the Fourth Proportional to 9,811.25, 14,726.12 and 3,577.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,811.25 : 14,726.12 = 3,577.29 : x
2. Step 2: Convert to fraction form
   9,811.25/14,726.12 = 3,577.29/x
3. Step 3: Cross multiply
   9,811.25x = 14,726.12 × 3,577.29
4. Step 4: Simplify right side
   9,811.25x = 52,679,601.81
5. Step 5: Solve for x
   x = 52,679,601.81/9,811.25
6. Step 6: Final answer
   x = 5,369.31