Finding the Fourth Proportional to 269,401.52, 371,748.72 and 156,212

Step by Step Solution

1. Step 1: Write the proportion equation
   269,401.52 : 371,748.72 = 156,212 : x
2. Step 2: Convert to fraction form
   269,401.52/371,748.72 = 156,212/x
3. Step 3: Cross multiply
   269,401.52x = 371,748.72 × 156,212
4. Step 4: Simplify right side
   269,401.52x = 58,071,611,048.64
5. Step 5: Solve for x
   x = 58,071,611,048.64/269,401.52
6. Step 6: Final answer
   x = 215,557.84