Finding the Fourth Proportional to 73,952, 102,054.72 and 40,418.72

Step by Step Solution

1. Step 1: Write the proportion equation
   73,952 : 102,054.72 = 40,418.72 : x
2. Step 2: Convert to fraction form
   73,952/102,054.72 = 40,418.72/x
3. Step 3: Cross multiply
   73,952x = 102,054.72 × 40,418.72
4. Step 4: Simplify right side
   73,952x = 4,124,921,152.36
5. Step 5: Solve for x
   x = 4,124,921,152.36/73,952
6. Step 6: Final answer
   x = 55,778.36