Finding the Fourth Proportional to 14,156.10, 19,535.31 and 7,782.66

Step by Step Solution

1. Step 1: Write the proportion equation
   14,156.10 : 19,535.31 = 7,782.66 : x
2. Step 2: Convert to fraction form
   14,156.10/19,535.31 = 7,782.66/x
3. Step 3: Cross multiply
   14,156.10x = 19,535.31 × 7,782.66
4. Step 4: Simplify right side
   14,156.10x = 152,036,675.72
5. Step 5: Solve for x
   x = 152,036,675.72/14,156.10
6. Step 6: Final answer
   x = 10,740.01