Finding the Fourth Proportional to 9,106.86, 12,566.13 and 5,127.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,106.86 : 12,566.13 = 5,127.18 : x
2. Step 2: Convert to fraction form
   9,106.86/12,566.13 = 5,127.18/x
3. Step 3: Cross multiply
   9,106.86x = 12,566.13 × 5,127.18
4. Step 4: Simplify right side
   9,106.86x = 64,428,810.41
5. Step 5: Solve for x
   x = 64,428,810.41/9,106.86
6. Step 6: Final answer
   x = 7,074.76