Finding the Fourth Proportional to 19,820.56, 29,736.24 and 11,061.76

Step by Step Solution

1. Step 1: Write the proportion equation
   19,820.56 : 29,736.24 = 11,061.76 : x
2. Step 2: Convert to fraction form
   19,820.56/29,736.24 = 11,061.76/x
3. Step 3: Cross multiply
   19,820.56x = 29,736.24 × 11,061.76
4. Step 4: Simplify right side
   19,820.56x = 328,935,150.18
5. Step 5: Solve for x
   x = 328,935,150.18/19,820.56
6. Step 6: Final answer
   x = 16,595.65