Finding the Fourth Proportional to 70,904.02, 97,843.50 and 40,686.42

Step by Step Solution

1. Step 1: Write the proportion equation
   70,904.02 : 97,843.50 = 40,686.42 : x
2. Step 2: Convert to fraction form
   70,904.02/97,843.50 = 40,686.42/x
3. Step 3: Cross multiply
   70,904.02x = 97,843.50 × 40,686.42
4. Step 4: Simplify right side
   70,904.02x = 3,980,901,735.27
5. Step 5: Solve for x
   x = 3,980,901,735.27/70,904.02
6. Step 6: Final answer
   x = 56,144.94