Finding the Fourth Proportional to 23,085.47, 34,630.72 and 7,290.95

Step by Step Solution

1. Step 1: Write the proportion equation
   23,085.47 : 34,630.72 = 7,290.95 : x
2. Step 2: Convert to fraction form
   23,085.47/34,630.72 = 7,290.95/x
3. Step 3: Cross multiply
   23,085.47x = 34,630.72 × 7,290.95
4. Step 4: Simplify right side
   23,085.47x = 252,490,656.60
5. Step 5: Solve for x
   x = 252,490,656.60/23,085.47
6. Step 6: Final answer
   x = 10,937.21