Finding the Fourth Proportional to 72,830.91, 100,506.83 and 40,565.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,830.91 : 100,506.83 = 40,565.27 : x
2. Step 2: Convert to fraction form
   72,830.91/100,506.83 = 40,565.27/x
3. Step 3: Cross multiply
   72,830.91x = 100,506.83 × 40,565.27
4. Step 4: Simplify right side
   72,830.91x = 4,077,086,744.23
5. Step 5: Solve for x
   x = 4,077,086,744.23/72,830.91
6. Step 6: Final answer
   x = 55,980.17