Finding the Fourth Proportional to 14,159.02, 19,539.95 and 7,786.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,159.02 : 19,539.95 = 7,786.10 : x
2. Step 2: Convert to fraction form
   14,159.02/19,539.95 = 7,786.10/x
3. Step 3: Cross multiply
   14,159.02x = 19,539.95 × 7,786.10
4. Step 4: Simplify right side
   14,159.02x = 152,140,004.70
5. Step 5: Solve for x
   x = 152,140,004.70/14,159.02
6. Step 6: Final answer
   x = 10,745.09