Finding the Fourth Proportional to 9,114.03, 12,577.32 and 5,337.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,114.03 : 12,577.32 = 5,337.90 : x
2. Step 2: Convert to fraction form
   9,114.03/12,577.32 = 5,337.90/x
3. Step 3: Cross multiply
   9,114.03x = 12,577.32 × 5,337.90
4. Step 4: Simplify right side
   9,114.03x = 67,136,476.43
5. Step 5: Solve for x
   x = 67,136,476.43/9,114.03
6. Step 6: Final answer
   x = 7,366.28