Finding the Fourth Proportional to 68,175, 94,081.50 and 39,886.16

Step by Step Solution

1. Step 1: Write the proportion equation
   68,175 : 94,081.50 = 39,886.16 : x
2. Step 2: Convert to fraction form
   68,175/94,081.50 = 39,886.16/x
3. Step 3: Cross multiply
   68,175x = 94,081.50 × 39,886.16
4. Step 4: Simplify right side
   68,175x = 3,752,549,291.63
5. Step 5: Solve for x
   x = 3,752,549,291.63/68,175
6. Step 6: Final answer
   x = 55,042.89