Finding the Fourth Proportional to 72,826.54, 100,548.96 and 45,643.48

Step by Step Solution

1. Step 1: Write the proportion equation
   72,826.54 : 100,548.96 = 45,643.48 : x
2. Step 2: Convert to fraction form
   72,826.54/100,548.96 = 45,643.48/x
3. Step 3: Cross multiply
   72,826.54x = 100,548.96 × 45,643.48
4. Step 4: Simplify right side
   72,826.54x = 4,589,404,444.78
5. Step 5: Solve for x
   x = 4,589,404,444.78/72,826.54
6. Step 6: Final answer
   x = 63,018.30