Finding the Fourth Proportional to 23,109.76, 34,659.70 and 7,316.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,109.76 : 34,659.70 = 7,316.12 : x
2. Step 2: Convert to fraction form
   23,109.76/34,659.70 = 7,316.12/x
3. Step 3: Cross multiply
   23,109.76x = 34,659.70 × 7,316.12
4. Step 4: Simplify right side
   23,109.76x = 253,574,592.72
5. Step 5: Solve for x
   x = 253,574,592.72/23,109.76
6. Step 6: Final answer
   x = 10,972.62