Finding the Fourth Proportional to 13,026.06, 17,978.49 and 10,187.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,026.06 : 17,978.49 = 10,187.82 : x
2. Step 2: Convert to fraction form
   13,026.06/17,978.49 = 10,187.82/x
3. Step 3: Cross multiply
   13,026.06x = 17,978.49 × 10,187.82
4. Step 4: Simplify right side
   13,026.06x = 183,161,619.99
5. Step 5: Solve for x
   x = 183,161,619.99/13,026.06
6. Step 6: Final answer
   x = 14,061.17