Finding the Fourth Proportional to 109,514.90, 164,290.08 and 42,918.92

Step by Step Solution

1. Step 1: Write the proportion equation
   109,514.90 : 164,290.08 = 42,918.92 : x
2. Step 2: Convert to fraction form
   109,514.90/164,290.08 = 42,918.92/x
3. Step 3: Cross multiply
   109,514.90x = 164,290.08 × 42,918.92
4. Step 4: Simplify right side
   109,514.90x = 7,051,152,800.31
5. Step 5: Solve for x
   x = 7,051,152,800.31/109,514.90
6. Step 6: Final answer
   x = 64,385.33