Finding the Fourth Proportional to 72,456.06, 99,983.84 and 40,618.92

Step by Step Solution

1. Step 1: Write the proportion equation
   72,456.06 : 99,983.84 = 40,618.92 : x
2. Step 2: Convert to fraction form
   72,456.06/99,983.84 = 40,618.92/x
3. Step 3: Cross multiply
   72,456.06x = 99,983.84 × 40,618.92
4. Step 4: Simplify right side
   72,456.06x = 4,061,235,598.25
5. Step 5: Solve for x
   x = 4,061,235,598.25/72,456.06
6. Step 6: Final answer
   x = 56,051.01