Finding the Fourth Proportional to 116,020.84, 174,031.40 and 31,781.73

Step by Step Solution

1. Step 1: Write the proportion equation
   116,020.84 : 174,031.40 = 31,781.73 : x
2. Step 2: Convert to fraction form
   116,020.84/174,031.40 = 31,781.73/x
3. Step 3: Cross multiply
   116,020.84x = 174,031.40 × 31,781.73
4. Step 4: Simplify right side
   116,020.84x = 5,531,018,966.32
5. Step 5: Solve for x
   x = 5,531,018,966.32/116,020.84
6. Step 6: Final answer
   x = 47,672.63