Finding the Fourth Proportional to 70,995.28, 97,990.56 and 42,695.50

Step by Step Solution

1. Step 1: Write the proportion equation
   70,995.28 : 97,990.56 = 42,695.50 : x
2. Step 2: Convert to fraction form
   70,995.28/97,990.56 = 42,695.50/x
3. Step 3: Cross multiply
   70,995.28x = 97,990.56 × 42,695.50
4. Step 4: Simplify right side
   70,995.28x = 4,183,755,954.48
5. Step 5: Solve for x
   x = 4,183,755,954.48/70,995.28
6. Step 6: Final answer
   x = 58,930.06