Finding the Fourth Proportional to 63,888.63, 88,109.01 and 40,017.93

Step by Step Solution

1. Step 1: Write the proportion equation
   63,888.63 : 88,109.01 = 40,017.93 : x
2. Step 2: Convert to fraction form
   63,888.63/88,109.01 = 40,017.93/x
3. Step 3: Cross multiply
   63,888.63x = 88,109.01 × 40,017.93
4. Step 4: Simplify right side
   63,888.63x = 3,525,940,194.55
5. Step 5: Solve for x
   x = 3,525,940,194.55/63,888.63
6. Step 6: Final answer
   x = 55,188.85