Finding the Fourth Proportional to 19,684.02, 29,499.59 and 10,785.96

Step by Step Solution

1. Step 1: Write the proportion equation
   19,684.02 : 29,499.59 = 10,785.96 : x
2. Step 2: Convert to fraction form
   19,684.02/29,499.59 = 10,785.96/x
3. Step 3: Cross multiply
   19,684.02x = 29,499.59 × 10,785.96
4. Step 4: Simplify right side
   19,684.02x = 318,181,343.83
5. Step 5: Solve for x
   x = 318,181,343.83/19,684.02
6. Step 6: Final answer
   x = 16,164.45