Finding the Fourth Proportional to 52,405.32, 72,311.22 and 30,045

Step by Step Solution

1. Step 1: Write the proportion equation
   52,405.32 : 72,311.22 = 30,045 : x
2. Step 2: Convert to fraction form
   52,405.32/72,311.22 = 30,045/x
3. Step 3: Cross multiply
   52,405.32x = 72,311.22 × 30,045
4. Step 4: Simplify right side
   52,405.32x = 2,172,590,604.90
5. Step 5: Solve for x
   x = 2,172,590,604.90/52,405.32
6. Step 6: Final answer
   x = 41,457.44