Finding the Fourth Proportional to 77,856.58, 107,442.08 and 42,046.59

Step by Step Solution

1. Step 1: Write the proportion equation
   77,856.58 : 107,442.08 = 42,046.59 : x
2. Step 2: Convert to fraction form
   77,856.58/107,442.08 = 42,046.59/x
3. Step 3: Cross multiply
   77,856.58x = 107,442.08 × 42,046.59
4. Step 4: Simplify right side
   77,856.58x = 4,517,573,086.51
5. Step 5: Solve for x
   x = 4,517,573,086.51/77,856.58
6. Step 6: Final answer
   x = 58,024.29