Finding the Fourth Proportional to 14,158.02, 19,538.57 and 7,785.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,158.02 : 19,538.57 = 7,785.10 : x
2. Step 2: Convert to fraction form
   14,158.02/19,538.57 = 7,785.10/x
3. Step 3: Cross multiply
   14,158.02x = 19,538.57 × 7,785.10
4. Step 4: Simplify right side
   14,158.02x = 152,109,733.42
5. Step 5: Solve for x
   x = 152,109,733.42/14,158.02
6. Step 6: Final answer
   x = 10,743.71