Finding the Fourth Proportional to 13,064.06, 18,026.06 and 7,760.18

Step by Step Solution

1. Step 1: Write the proportion equation
   13,064.06 : 18,026.06 = 7,760.18 : x
2. Step 2: Convert to fraction form
   13,064.06/18,026.06 = 7,760.18/x
3. Step 3: Cross multiply
   13,064.06x = 18,026.06 × 7,760.18
4. Step 4: Simplify right side
   13,064.06x = 139,885,470.29
5. Step 5: Solve for x
   x = 139,885,470.29/13,064.06
6. Step 6: Final answer
   x = 10,707.66