Finding the Fourth Proportional to 14,047.32, 21,054.78 and 5,276.64

Step by Step Solution

1. Step 1: Write the proportion equation
   14,047.32 : 21,054.78 = 5,276.64 : x
2. Step 2: Convert to fraction form
   14,047.32/21,054.78 = 5,276.64/x
3. Step 3: Cross multiply
   14,047.32x = 21,054.78 × 5,276.64
4. Step 4: Simplify right side
   14,047.32x = 111,098,494.34
5. Step 5: Solve for x
   x = 111,098,494.34/14,047.32
6. Step 6: Final answer
   x = 7,908.87