Finding the Fourth Proportional to 14,071.80, 19,419.18 and 7,784.52

Step by Step Solution

1. Step 1: Write the proportion equation
   14,071.80 : 19,419.18 = 7,784.52 : x
2. Step 2: Convert to fraction form
   14,071.80/19,419.18 = 7,784.52/x
3. Step 3: Cross multiply
   14,071.80x = 19,419.18 × 7,784.52
4. Step 4: Simplify right side
   14,071.80x = 151,168,995.09
5. Step 5: Solve for x
   x = 151,168,995.09/14,071.80
6. Step 6: Final answer
   x = 10,742.69