Finding the Fourth Proportional to 9,106.73, 12,566.31 and 5,127.77

Step by Step Solution

1. Step 1: Write the proportion equation
   9,106.73 : 12,566.31 = 5,127.77 : x
2. Step 2: Convert to fraction form
   9,106.73/12,566.31 = 5,127.77/x
3. Step 3: Cross multiply
   9,106.73x = 12,566.31 × 5,127.77
4. Step 4: Simplify right side
   9,106.73x = 64,437,147.43
5. Step 5: Solve for x
   x = 64,437,147.43/9,106.73
6. Step 6: Final answer
   x = 7,075.77