Finding the Fourth Proportional to 78,055.38, 117,035.61 and 30,613.62

Step by Step Solution

1. Step 1: Write the proportion equation
   78,055.38 : 117,035.61 = 30,613.62 : x
2. Step 2: Convert to fraction form
   78,055.38/117,035.61 = 30,613.62/x
3. Step 3: Cross multiply
   78,055.38x = 117,035.61 × 30,613.62
4. Step 4: Simplify right side
   78,055.38x = 3,582,883,691.01
5. Step 5: Solve for x
   x = 3,582,883,691.01/78,055.38
6. Step 6: Final answer
   x = 45,901.82