Finding the Fourth Proportional to 13,210.84, 18,224.22 and 10,061.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,210.84 : 18,224.22 = 10,061.56 : x
2. Step 2: Convert to fraction form
   13,210.84/18,224.22 = 10,061.56/x
3. Step 3: Cross multiply
   13,210.84x = 18,224.22 × 10,061.56
4. Step 4: Simplify right side
   13,210.84x = 183,364,082.98
5. Step 5: Solve for x
   x = 183,364,082.98/13,210.84
6. Step 6: Final answer
   x = 13,879.82