Finding the Fourth Proportional to 284,219.82, 392,223.42 and 156,895.50

Step by Step Solution

1. Step 1: Write the proportion equation
   284,219.82 : 392,223.42 = 156,895.50 : x
2. Step 2: Convert to fraction form
   284,219.82/392,223.42 = 156,895.50/x
3. Step 3: Cross multiply
   284,219.82x = 392,223.42 × 156,895.50
4. Step 4: Simplify right side
   284,219.82x = 61,538,089,592.61
5. Step 5: Solve for x
   x = 61,538,089,592.61/284,219.82
6. Step 6: Final answer
   x = 216,515.83