Finding the Fourth Proportional to 9,126.90, 12,594.71 and 5,148.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,126.90 : 12,594.71 = 5,148.38 : x
2. Step 2: Convert to fraction form
   9,126.90/12,594.71 = 5,148.38/x
3. Step 3: Cross multiply
   9,126.90x = 12,594.71 × 5,148.38
4. Step 4: Simplify right side
   9,126.90x = 64,842,397.43
5. Step 5: Solve for x
   x = 64,842,397.43/9,126.90
6. Step 6: Final answer
   x = 7,104.54