Finding the Fourth Proportional to 79,280.04, 109,391 and 47,008.68

Step by Step Solution

1. Step 1: Write the proportion equation
   79,280.04 : 109,391 = 47,008.68 : x
2. Step 2: Convert to fraction form
   79,280.04/109,391 = 47,008.68/x
3. Step 3: Cross multiply
   79,280.04x = 109,391 × 47,008.68
4. Step 4: Simplify right side
   79,280.04x = 5,142,326,513.88
5. Step 5: Solve for x
   x = 5,142,326,513.88/79,280.04
6. Step 6: Final answer
   x = 64,862.81