Finding the Fourth Proportional to 14,069.98, 19,417.08 and 7,782.40

Step by Step Solution

1. Step 1: Write the proportion equation
   14,069.98 : 19,417.08 = 7,782.40 : x
2. Step 2: Convert to fraction form
   14,069.98/19,417.08 = 7,782.40/x
3. Step 3: Cross multiply
   14,069.98x = 19,417.08 × 7,782.40
4. Step 4: Simplify right side
   14,069.98x = 151,111,483.39
5. Step 5: Solve for x
   x = 151,111,483.39/14,069.98
6. Step 6: Final answer
   x = 10,739.99