Finding the Fourth Proportional to 70,368.89, 97,109.82 and 40,158.23

Step by Step Solution

1. Step 1: Write the proportion equation
   70,368.89 : 97,109.82 = 40,158.23 : x
2. Step 2: Convert to fraction form
   70,368.89/97,109.82 = 40,158.23/x
3. Step 3: Cross multiply
   70,368.89x = 97,109.82 × 40,158.23
4. Step 4: Simplify right side
   70,368.89x = 3,899,758,001.27
5. Step 5: Solve for x
   x = 3,899,758,001.27/70,368.89
6. Step 6: Final answer
   x = 55,418.78