Finding the Fourth Proportional to 70,865.91, 106,301.30 and 37,540.89

Step by Step Solution

1. Step 1: Write the proportion equation
   70,865.91 : 106,301.30 = 37,540.89 : x
2. Step 2: Convert to fraction form
   70,865.91/106,301.30 = 37,540.89/x
3. Step 3: Cross multiply
   70,865.91x = 106,301.30 × 37,540.89
4. Step 4: Simplify right side
   70,865.91x = 3,990,645,222.45
5. Step 5: Solve for x
   x = 3,990,645,222.45/70,865.91
6. Step 6: Final answer
   x = 56,312.62