Finding the Fourth Proportional to 63,831.16, 88,088.34 and 42,019.48

Step by Step Solution

1. Step 1: Write the proportion equation
   63,831.16 : 88,088.34 = 42,019.48 : x
2. Step 2: Convert to fraction form
   63,831.16/88,088.34 = 42,019.48/x
3. Step 3: Cross multiply
   63,831.16x = 88,088.34 × 42,019.48
4. Step 4: Simplify right side
   63,831.16x = 3,701,426,240.86
5. Step 5: Solve for x
   x = 3,701,426,240.86/63,831.16
6. Step 6: Final answer
   x = 57,987.76