Finding the Fourth Proportional to 72,027.83, 99,398.48 and 40,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,027.83 : 99,398.48 = 40,196.72 : x
2. Step 2: Convert to fraction form
   72,027.83/99,398.48 = 40,196.72/x
3. Step 3: Cross multiply
   72,027.83x = 99,398.48 × 40,196.72
4. Step 4: Simplify right side
   72,027.83x = 3,995,492,916.50
5. Step 5: Solve for x
   x = 3,995,492,916.50/72,027.83
6. Step 6: Final answer
   x = 55,471.51