Finding the Fourth Proportional to 114,066.26, 170,980.74 and 42,940.04

Step by Step Solution

1. Step 1: Write the proportion equation
   114,066.26 : 170,980.74 = 42,940.04 : x
2. Step 2: Convert to fraction form
   114,066.26/170,980.74 = 42,940.04/x
3. Step 3: Cross multiply
   114,066.26x = 170,980.74 × 42,940.04
4. Step 4: Simplify right side
   114,066.26x = 7,341,919,814.83
5. Step 5: Solve for x
   x = 7,341,919,814.83/114,066.26
6. Step 6: Final answer
   x = 64,365.39