Finding the Fourth Proportional to 109,327.86, 164,033.10 and 42,815.52

Step by Step Solution

1. Step 1: Write the proportion equation
   109,327.86 : 164,033.10 = 42,815.52 : x
2. Step 2: Convert to fraction form
   109,327.86/164,033.10 = 42,815.52/x
3. Step 3: Cross multiply
   109,327.86x = 164,033.10 × 42,815.52
4. Step 4: Simplify right side
   109,327.86x = 7,023,162,473.71
5. Step 5: Solve for x
   x = 7,023,162,473.71/109,327.86
6. Step 6: Final answer
   x = 64,239.46