Finding the Fourth Proportional to 9,106.19, 12,566.78 and 5,127.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,106.19 : 12,566.78 = 5,127.45 : x
2. Step 2: Convert to fraction form
   9,106.19/12,566.78 = 5,127.45/x
3. Step 3: Cross multiply
   9,106.19x = 12,566.78 × 5,127.45
4. Step 4: Simplify right side
   9,106.19x = 64,435,536.11
5. Step 5: Solve for x
   x = 64,435,536.11/9,106.19
6. Step 6: Final answer
   x = 7,076.01