Finding the Fourth Proportional to 12,762.02, 17,607.38 and 7,724.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.02 : 17,607.38 = 7,724.33 : x
2. Step 2: Convert to fraction form
   12,762.02/17,607.38 = 7,724.33/x
3. Step 3: Cross multiply
   12,762.02x = 17,607.38 × 7,724.33
4. Step 4: Simplify right side
   12,762.02x = 136,005,086.90
5. Step 5: Solve for x
   x = 136,005,086.90/12,762.02
6. Step 6: Final answer
   x = 10,657.02