Finding the Fourth Proportional to 156,401.34, 234,578.25 and 51,217.98

Step by Step Solution

1. Step 1: Write the proportion equation
   156,401.34 : 234,578.25 = 51,217.98 : x
2. Step 2: Convert to fraction form
   156,401.34/234,578.25 = 51,217.98/x
3. Step 3: Cross multiply
   156,401.34x = 234,578.25 × 51,217.98
4. Step 4: Simplify right side
   156,401.34x = 12,014,624,116.94
5. Step 5: Solve for x
   x = 12,014,624,116.94/156,401.34
6. Step 6: Final answer
   x = 76,819.19