Finding the Fourth Proportional to 23,406.31, 35,102.15 and 7,820.29

Step by Step Solution

1. Step 1: Write the proportion equation
   23,406.31 : 35,102.15 = 7,820.29 : x
2. Step 2: Convert to fraction form
   23,406.31/35,102.15 = 7,820.29/x
3. Step 3: Cross multiply
   23,406.31x = 35,102.15 × 7,820.29
4. Step 4: Simplify right side
   23,406.31x = 274,508,817.11
5. Step 5: Solve for x
   x = 274,508,817.11/23,406.31
6. Step 6: Final answer
   x = 11,727.99