Finding the Fourth Proportional to 72,578.52, 108,844.74 and 23,319

Step by Step Solution

1. Step 1: Write the proportion equation
   72,578.52 : 108,844.74 = 23,319 : x
2. Step 2: Convert to fraction form
   72,578.52/108,844.74 = 23,319/x
3. Step 3: Cross multiply
   72,578.52x = 108,844.74 × 23,319
4. Step 4: Simplify right side
   72,578.52x = 2,538,150,492.06
5. Step 5: Solve for x
   x = 2,538,150,492.06/72,578.52
6. Step 6: Final answer
   x = 34,971.10