Finding the Fourth Proportional to 72,298.32, 99,770.52 and 40,467.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,298.32 : 99,770.52 = 40,467.12 : x
2. Step 2: Convert to fraction form
   72,298.32/99,770.52 = 40,467.12/x
3. Step 3: Cross multiply
   72,298.32x = 99,770.52 × 40,467.12
4. Step 4: Simplify right side
   72,298.32x = 4,037,425,605.30
5. Step 5: Solve for x
   x = 4,037,425,605.30/72,298.32
6. Step 6: Final answer
   x = 55,843.98