Finding the Fourth Proportional to 117,162.29, 175,707.08 and 42,272.72

Step by Step Solution

1. Step 1: Write the proportion equation
   117,162.29 : 175,707.08 = 42,272.72 : x
2. Step 2: Convert to fraction form
   117,162.29/175,707.08 = 42,272.72/x
3. Step 3: Cross multiply
   117,162.29x = 175,707.08 × 42,272.72
4. Step 4: Simplify right side
   117,162.29x = 7,427,616,581.28
5. Step 5: Solve for x
   x = 7,427,616,581.28/117,162.29
6. Step 6: Final answer
   x = 63,395.97