Finding the Fourth Proportional to 70,826.50, 97,711.29 and 42,140.43

Step by Step Solution

1. Step 1: Write the proportion equation
   70,826.50 : 97,711.29 = 42,140.43 : x
2. Step 2: Convert to fraction form
   70,826.50/97,711.29 = 42,140.43/x
3. Step 3: Cross multiply
   70,826.50x = 97,711.29 × 42,140.43
4. Step 4: Simplify right side
   70,826.50x = 4,117,595,383.12
5. Step 5: Solve for x
   x = 4,117,595,383.12/70,826.50
6. Step 6: Final answer
   x = 58,136.37