Finding the Fourth Proportional to 14,071.50, 19,418.88 and 7,783.86

Step by Step Solution

1. Step 1: Write the proportion equation
   14,071.50 : 19,418.88 = 7,783.86 : x
2. Step 2: Convert to fraction form
   14,071.50/19,418.88 = 7,783.86/x
3. Step 3: Cross multiply
   14,071.50x = 19,418.88 × 7,783.86
4. Step 4: Simplify right side
   14,071.50x = 151,153,843.28
5. Step 5: Solve for x
   x = 151,153,843.28/14,071.50
6. Step 6: Final answer
   x = 10,741.84