Finding the Fourth Proportional to 70,637.50, 105,831.72 and 37,284.08

Step by Step Solution

1. Step 1: Write the proportion equation
   70,637.50 : 105,831.72 = 37,284.08 : x
2. Step 2: Convert to fraction form
   70,637.50/105,831.72 = 37,284.08/x
3. Step 3: Cross multiply
   70,637.50x = 105,831.72 × 37,284.08
4. Step 4: Simplify right side
   70,637.50x = 3,945,838,315.02
5. Step 5: Solve for x
   x = 3,945,838,315.02/70,637.50
6. Step 6: Final answer
   x = 55,860.39