Finding the Fourth Proportional to 8,965.10, 12,368.58 and 5,427.02

Step by Step Solution

1. Step 1: Write the proportion equation
   8,965.10 : 12,368.58 = 5,427.02 : x
2. Step 2: Convert to fraction form
   8,965.10/12,368.58 = 5,427.02/x
3. Step 3: Cross multiply
   8,965.10x = 12,368.58 × 5,427.02
4. Step 4: Simplify right side
   8,965.10x = 67,124,531.03
5. Step 5: Solve for x
   x = 67,124,531.03/8,965.10
6. Step 6: Final answer
   x = 7,487.32