Finding the Fourth Proportional to 105,900.32, 158,881.24 and 42,687.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,900.32 : 158,881.24 = 42,687.82 : x
2. Step 2: Convert to fraction form
   105,900.32/158,881.24 = 42,687.82/x
3. Step 3: Cross multiply
   105,900.32x = 158,881.24 × 42,687.82
4. Step 4: Simplify right side
   105,900.32x = 6,782,293,774.50
5. Step 5: Solve for x
   x = 6,782,293,774.50/105,900.32
6. Step 6: Final answer
   x = 64,044.13