Finding the Fourth Proportional to 70,399.59, 97,151.38 and 42,105.25

Step by Step Solution

1. Step 1: Write the proportion equation
   70,399.59 : 97,151.38 = 42,105.25 : x
2. Step 2: Convert to fraction form
   70,399.59/97,151.38 = 42,105.25/x
3. Step 3: Cross multiply
   70,399.59x = 97,151.38 × 42,105.25
4. Step 4: Simplify right side
   70,399.59x = 4,090,583,142.75
5. Step 5: Solve for x
   x = 4,090,583,142.75/70,399.59
6. Step 6: Final answer
   x = 58,105.21