Finding the Fourth Proportional to 109,559.52, 164,265.12 and 42,958.08

Step by Step Solution

1. Step 1: Write the proportion equation
   109,559.52 : 164,265.12 = 42,958.08 : x
2. Step 2: Convert to fraction form
   109,559.52/164,265.12 = 42,958.08/x
3. Step 3: Cross multiply
   109,559.52x = 164,265.12 × 42,958.08
4. Step 4: Simplify right side
   109,559.52x = 7,056,514,166.17
5. Step 5: Solve for x
   x = 7,056,514,166.17/109,559.52
6. Step 6: Final answer
   x = 64,408.04