Finding the Fourth Proportional to 70,168.28, 96,799.74 and 40,343

Step by Step Solution

1. Step 1: Write the proportion equation
   70,168.28 : 96,799.74 = 40,343 : x
2. Step 2: Convert to fraction form
   70,168.28/96,799.74 = 40,343/x
3. Step 3: Cross multiply
   70,168.28x = 96,799.74 × 40,343
4. Step 4: Simplify right side
   70,168.28x = 3,905,191,910.82
5. Step 5: Solve for x
   x = 3,905,191,910.82/70,168.28
6. Step 6: Final answer
   x = 55,654.66