Finding the Fourth Proportional to 70,942.01, 97,892.70 and 40,720.10

Step by Step Solution

1. Step 1: Write the proportion equation
   70,942.01 : 97,892.70 = 40,720.10 : x
2. Step 2: Convert to fraction form
   70,942.01/97,892.70 = 40,720.10/x
3. Step 3: Cross multiply
   70,942.01x = 97,892.70 × 40,720.10
4. Step 4: Simplify right side
   70,942.01x = 3,986,200,533.27
5. Step 5: Solve for x
   x = 3,986,200,533.27/70,942.01
6. Step 6: Final answer
   x = 56,189.56