Finding the Fourth Proportional to 245,085.71, 367,628.52 and 78,873.71

Step by Step Solution

1. Step 1: Write the proportion equation
   245,085.71 : 367,628.52 = 78,873.71 : x
2. Step 2: Convert to fraction form
   245,085.71/367,628.52 = 78,873.71/x
3. Step 3: Cross multiply
   245,085.71x = 367,628.52 × 78,873.71
4. Step 4: Simplify right side
   245,085.71x = 28,996,225,274.21
5. Step 5: Solve for x
   x = 28,996,225,274.21/245,085.71
6. Step 6: Final answer
   x = 118,310.55