Finding the Fourth Proportional to 43,275.72, 64,925.04 and 13,694.04

Step by Step Solution

1. Step 1: Write the proportion equation
   43,275.72 : 64,925.04 = 13,694.04 : x
2. Step 2: Convert to fraction form
   43,275.72/64,925.04 = 13,694.04/x
3. Step 3: Cross multiply
   43,275.72x = 64,925.04 × 13,694.04
4. Step 4: Simplify right side
   43,275.72x = 889,086,094.76
5. Step 5: Solve for x
   x = 889,086,094.76/43,275.72
6. Step 6: Final answer
   x = 20,544.69