Finding the Fourth Proportional to 72,392, 99,872.96 and 45,523.52

Step by Step Solution

1. Step 1: Write the proportion equation
   72,392 : 99,872.96 = 45,523.52 : x
2. Step 2: Convert to fraction form
   72,392/99,872.96 = 45,523.52/x
3. Step 3: Cross multiply
   72,392x = 99,872.96 × 45,523.52
4. Step 4: Simplify right side
   72,392x = 4,546,568,692.02
5. Step 5: Solve for x
   x = 4,546,568,692.02/72,392
6. Step 6: Final answer
   x = 62,804.85