Finding the Fourth Proportional to 45,362.88, 68,029.12 and 19,062.72

Step by Step Solution

1. Step 1: Write the proportion equation
   45,362.88 : 68,029.12 = 19,062.72 : x
2. Step 2: Convert to fraction form
   45,362.88/68,029.12 = 19,062.72/x
3. Step 3: Cross multiply
   45,362.88x = 68,029.12 × 19,062.72
4. Step 4: Simplify right side
   45,362.88x = 1,296,820,066.41
5. Step 5: Solve for x
   x = 1,296,820,066.41/45,362.88
6. Step 6: Final answer
   x = 28,587.69