Finding the Fourth Proportional to 89,364.72, 123,325.50 and 48,530.60

Step by Step Solution

1. Step 1: Write the proportion equation
   89,364.72 : 123,325.50 = 48,530.60 : x
2. Step 2: Convert to fraction form
   89,364.72/123,325.50 = 48,530.60/x
3. Step 3: Cross multiply
   89,364.72x = 123,325.50 × 48,530.60
4. Step 4: Simplify right side
   89,364.72x = 5,985,060,510.30
5. Step 5: Solve for x
   x = 5,985,060,510.30/89,364.72
6. Step 6: Final answer
   x = 66,973.42