Finding the Fourth Proportional to 72,362.16, 99,858.61 and 40,530.96

Step by Step Solution

1. Step 1: Write the proportion equation
   72,362.16 : 99,858.61 = 40,530.96 : x
2. Step 2: Convert to fraction form
   72,362.16/99,858.61 = 40,530.96/x
3. Step 3: Cross multiply
   72,362.16x = 99,858.61 × 40,530.96
4. Step 4: Simplify right side
   72,362.16x = 4,047,365,327.57
5. Step 5: Solve for x
   x = 4,047,365,327.57/72,362.16
6. Step 6: Final answer
   x = 55,932.07