Finding the Fourth Proportional to 94,019.96, 141,030.38 and 31,691

Step by Step Solution

1. Step 1: Write the proportion equation
   94,019.96 : 141,030.38 = 31,691 : x
2. Step 2: Convert to fraction form
   94,019.96/141,030.38 = 31,691/x
3. Step 3: Cross multiply
   94,019.96x = 141,030.38 × 31,691
4. Step 4: Simplify right side
   94,019.96x = 4,469,393,772.58
5. Step 5: Solve for x
   x = 4,469,393,772.58/94,019.96
6. Step 6: Final answer
   x = 47,536.65