Finding the Fourth Proportional to 40,642.61, 56,086.86 and 22,737.96

Step by Step Solution

1. Step 1: Write the proportion equation
   40,642.61 : 56,086.86 = 22,737.96 : x
2. Step 2: Convert to fraction form
   40,642.61/56,086.86 = 22,737.96/x
3. Step 3: Cross multiply
   40,642.61x = 56,086.86 × 22,737.96
4. Step 4: Simplify right side
   40,642.61x = 1,275,300,779.21
5. Step 5: Solve for x
   x = 1,275,300,779.21/40,642.61
6. Step 6: Final answer
   x = 31,378.42