Finding the Fourth Proportional to 79,891.89, 119,828.97 and 28,598.52

Step by Step Solution

1. Step 1: Write the proportion equation
   79,891.89 : 119,828.97 = 28,598.52 : x
2. Step 2: Convert to fraction form
   79,891.89/119,828.97 = 28,598.52/x
3. Step 3: Cross multiply
   79,891.89x = 119,828.97 × 28,598.52
4. Step 4: Simplify right side
   79,891.89x = 3,426,931,091.10
5. Step 5: Solve for x
   x = 3,426,931,091.10/79,891.89
6. Step 6: Final answer
   x = 42,894.61