Finding the Fourth Proportional to 14,071.64, 19,419.86 and 7,783.88

Step by Step Solution

1. Step 1: Write the proportion equation
   14,071.64 : 19,419.86 = 7,783.88 : x
2. Step 2: Convert to fraction form
   14,071.64/19,419.86 = 7,783.88/x
3. Step 3: Cross multiply
   14,071.64x = 19,419.86 × 7,783.88
4. Step 4: Simplify right side
   14,071.64x = 151,161,859.86
5. Step 5: Solve for x
   x = 151,161,859.86/14,071.64
6. Step 6: Final answer
   x = 10,742.31