Finding the Fourth Proportional to 14,155.59, 19,534.86 and 7,782.51

Step by Step Solution

1. Step 1: Write the proportion equation
   14,155.59 : 19,534.86 = 7,782.51 : x
2. Step 2: Convert to fraction form
   14,155.59/19,534.86 = 7,782.51/x
3. Step 3: Cross multiply
   14,155.59x = 19,534.86 × 7,782.51
4. Step 4: Simplify right side
   14,155.59x = 152,030,243.30
5. Step 5: Solve for x
   x = 152,030,243.30/14,155.59
6. Step 6: Final answer
   x = 10,739.94