Finding the Fourth Proportional to 43,182.72, 64,782.72 and 15,482.88

Step by Step Solution

1. Step 1: Write the proportion equation
   43,182.72 : 64,782.72 = 15,482.88 : x
2. Step 2: Convert to fraction form
   43,182.72/64,782.72 = 15,482.88/x
3. Step 3: Cross multiply
   43,182.72x = 64,782.72 × 15,482.88
4. Step 4: Simplify right side
   43,182.72x = 1,003,023,079.83
5. Step 5: Solve for x
   x = 1,003,023,079.83/43,182.72
6. Step 6: Final answer
   x = 23,227.42