Finding the Fourth Proportional to 116,020.97, 174,031.59 and 31,781.86

Step by Step Solution

1. Step 1: Write the proportion equation
   116,020.97 : 174,031.59 = 31,781.86 : x
2. Step 2: Convert to fraction form
   116,020.97/174,031.59 = 31,781.86/x
3. Step 3: Cross multiply
   116,020.97x = 174,031.59 × 31,781.86
4. Step 4: Simplify right side
   116,020.97x = 5,531,047,313.06
5. Step 5: Solve for x
   x = 5,531,047,313.06/116,020.97
6. Step 6: Final answer
   x = 47,672.82