Finding the Fourth Proportional to 9,084.63, 12,539.16 and 5,107.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,084.63 : 12,539.16 = 5,107.02 : x
2. Step 2: Convert to fraction form
   9,084.63/12,539.16 = 5,107.02/x
3. Step 3: Cross multiply
   9,084.63x = 12,539.16 × 5,107.02
4. Step 4: Simplify right side
   9,084.63x = 64,037,740.90
5. Step 5: Solve for x
   x = 64,037,740.90/9,084.63
6. Step 6: Final answer
   x = 7,049.02