Finding the Fourth Proportional to 117,158.09, 175,700.78 and 42,268.49

Step by Step Solution

1. Step 1: Write the proportion equation
   117,158.09 : 175,700.78 = 42,268.49 : x
2. Step 2: Convert to fraction form
   117,158.09/175,700.78 = 42,268.49/x
3. Step 3: Cross multiply
   117,158.09x = 175,700.78 × 42,268.49
4. Step 4: Simplify right side
   117,158.09x = 7,426,607,048.84
5. Step 5: Solve for x
   x = 7,426,607,048.84/117,158.09
6. Step 6: Final answer
   x = 63,389.62