Finding the Fourth Proportional to 10,066.07, 15,094.49 and 5,385.29

Step by Step Solution

1. Step 1: Write the proportion equation
   10,066.07 : 15,094.49 = 5,385.29 : x
2. Step 2: Convert to fraction form
   10,066.07/15,094.49 = 5,385.29/x
3. Step 3: Cross multiply
   10,066.07x = 15,094.49 × 5,385.29
4. Step 4: Simplify right side
   10,066.07x = 81,288,103.65
5. Step 5: Solve for x
   x = 81,288,103.65/10,066.07
6. Step 6: Final answer
   x = 8,075.45