Finding the Fourth Proportional to 109,449.58, 164,248.18 and 42,881.36

Step by Step Solution

1. Step 1: Write the proportion equation
   109,449.58 : 164,248.18 = 42,881.36 : x
2. Step 2: Convert to fraction form
   109,449.58/164,248.18 = 42,881.36/x
3. Step 3: Cross multiply
   109,449.58x = 164,248.18 × 42,881.36
4. Step 4: Simplify right side
   109,449.58x = 7,043,185,335.92
5. Step 5: Solve for x
   x = 7,043,185,335.92/109,449.58
6. Step 6: Final answer
   x = 64,350.96