Finding the Fourth Proportional to 45,401.78, 68,113.56 and 14,237

Step by Step Solution

1. Step 1: Write the proportion equation
   45,401.78 : 68,113.56 = 14,237 : x
2. Step 2: Convert to fraction form
   45,401.78/68,113.56 = 14,237/x
3. Step 3: Cross multiply
   45,401.78x = 68,113.56 × 14,237
4. Step 4: Simplify right side
   45,401.78x = 969,732,753.72
5. Step 5: Solve for x
   x = 969,732,753.72/45,401.78
6. Step 6: Final answer
   x = 21,358.91