Finding the Fourth Proportional to 37,831.34, 56,707.59 and 21,166.94

Step by Step Solution

1. Step 1: Write the proportion equation
   37,831.34 : 56,707.59 = 21,166.94 : x
2. Step 2: Convert to fraction form
   37,831.34/56,707.59 = 21,166.94/x
3. Step 3: Cross multiply
   37,831.34x = 56,707.59 × 21,166.94
4. Step 4: Simplify right side
   37,831.34x = 1,200,326,155.07
5. Step 5: Solve for x
   x = 1,200,326,155.07/37,831.34
6. Step 6: Final answer
   x = 31,728.35