Finding the Fourth Proportional to 23,336.79, 34,856.38 and 21,112.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,336.79 : 34,856.38 = 21,112.18 : x
2. Step 2: Convert to fraction form
   23,336.79/34,856.38 = 21,112.18/x
3. Step 3: Cross multiply
   23,336.79x = 34,856.38 × 21,112.18
4. Step 4: Simplify right side
   23,336.79x = 735,894,168.71
5. Step 5: Solve for x
   x = 735,894,168.71/23,336.79
6. Step 6: Final answer
   x = 31,533.65