Finding the Fourth Proportional to 114,822, 158,469.21 and 64,521

Step by Step Solution

1. Step 1: Write the proportion equation
   114,822 : 158,469.21 = 64,521 : x
2. Step 2: Convert to fraction form
   114,822/158,469.21 = 64,521/x
3. Step 3: Cross multiply
   114,822x = 158,469.21 × 64,521
4. Step 4: Simplify right side
   114,822x = 10,224,591,898.41
5. Step 5: Solve for x
   x = 10,224,591,898.41/114,822
6. Step 6: Final answer
   x = 89,047.32