Finding the Fourth Proportional to 9,105.58, 12,565.50 and 5,127.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,105.58 : 12,565.50 = 5,127.13 : x
2. Step 2: Convert to fraction form
   9,105.58/12,565.50 = 5,127.13/x
3. Step 3: Cross multiply
   9,105.58x = 12,565.50 × 5,127.13
4. Step 4: Simplify right side
   9,105.58x = 64,424,952.02
5. Step 5: Solve for x
   x = 64,424,952.02/9,105.58
6. Step 6: Final answer
   x = 7,075.33