Finding the Fourth Proportional to 9,105.54, 12,566.03 and 5,126.91

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.54 : 12,566.03 = 5,126.91 : x
2. Step 2: Convert to fraction form
   9,105.54/12,566.03 = 5,126.91/x
3. Step 3: Cross multiply
   9,105.54x = 12,566.03 × 5,126.91
4. Step 4: Simplify right side
   9,105.54x = 64,424,904.87
5. Step 5: Solve for x
   x = 64,424,904.87/9,105.54
6. Step 6: Final answer
   x = 7,075.35