Finding the Fourth Proportional to 77,957.82, 107,581.82 and 42,147.83

Step by Step Solution

1. Step 1: Write the proportion equation
   77,957.82 : 107,581.82 = 42,147.83 : x
2. Step 2: Convert to fraction form
   77,957.82/107,581.82 = 42,147.83/x
3. Step 3: Cross multiply
   77,957.82x = 107,581.82 × 42,147.83
4. Step 4: Simplify right side
   77,957.82x = 4,534,340,318.67
5. Step 5: Solve for x
   x = 4,534,340,318.67/77,957.82
6. Step 6: Final answer
   x = 58,164.02