Finding the Fourth Proportional to 77,641.42, 107,144.52 and 43,650.06

Step by Step Solution

1. Step 1: Write the proportion equation
   77,641.42 : 107,144.52 = 43,650.06 : x
2. Step 2: Convert to fraction form
   77,641.42/107,144.52 = 43,650.06/x
3. Step 3: Cross multiply
   77,641.42x = 107,144.52 × 43,650.06
4. Step 4: Simplify right side
   77,641.42x = 4,676,864,726.67
5. Step 5: Solve for x
   x = 4,676,864,726.67/77,641.42
6. Step 6: Final answer
   x = 60,236.72