Finding the Fourth Proportional to 77,856.08, 107,441.39 and 42,046.09

Step by Step Solution

1. Step 1: Write the proportion equation
   77,856.08 : 107,441.39 = 42,046.09 : x
2. Step 2: Convert to fraction form
   77,856.08/107,441.39 = 42,046.09/x
3. Step 3: Cross multiply
   77,856.08x = 107,441.39 × 42,046.09
4. Step 4: Simplify right side
   77,856.08x = 4,517,490,353.67
5. Step 5: Solve for x
   x = 4,517,490,353.67/77,856.08
6. Step 6: Final answer
   x = 58,023.60