Finding the Fourth Proportional to 114,834, 158,485.80 and 64,533

Step by Step Solution

1. Step 1: Write the proportion equation
   114,834 : 158,485.80 = 64,533 : x
2. Step 2: Convert to fraction form
   114,834/158,485.80 = 64,533/x
3. Step 3: Cross multiply
   114,834x = 158,485.80 × 64,533
4. Step 4: Simplify right side
   114,834x = 10,227,564,131.40
5. Step 5: Solve for x
   x = 10,227,564,131.40/114,834
6. Step 6: Final answer
   x = 89,063.90