Finding the Fourth Proportional to 64,085.98, 88,427.91 and 35,791.78

Step by Step Solution

1. Step 1: Write the proportion equation
   64,085.98 : 88,427.91 = 35,791.78 : x
2. Step 2: Convert to fraction form
   64,085.98/88,427.91 = 35,791.78/x
3. Step 3: Cross multiply
   64,085.98x = 88,427.91 × 35,791.78
4. Step 4: Simplify right side
   64,085.98x = 3,164,992,300.58
5. Step 5: Solve for x
   x = 3,164,992,300.58/64,085.98
6. Step 6: Final answer
   x = 49,386.66