Finding the Fourth Proportional to 89,817.30, 134,559.90 and 52,395.30

Step by Step Solution

1. Step 1: Write the proportion equation
   89,817.30 : 134,559.90 = 52,395.30 : x
2. Step 2: Convert to fraction form
   89,817.30/134,559.90 = 52,395.30/x
3. Step 3: Cross multiply
   89,817.30x = 134,559.90 × 52,395.30
4. Step 4: Simplify right side
   89,817.30x = 7,050,306,328.47
5. Step 5: Solve for x
   x = 7,050,306,328.47/89,817.30
6. Step 6: Final answer
   x = 78,496.08