Finding the Fourth Proportional to 71,983.22, 99,283.29 and 52,856.99

Step by Step Solution

1. Step 1: Write the proportion equation
   71,983.22 : 99,283.29 = 52,856.99 : x
2. Step 2: Convert to fraction form
   71,983.22/99,283.29 = 52,856.99/x
3. Step 3: Cross multiply
   71,983.22x = 99,283.29 × 52,856.99
4. Step 4: Simplify right side
   71,983.22x = 5,247,815,370.28
5. Step 5: Solve for x
   x = 5,247,815,370.28/71,983.22
6. Step 6: Final answer
   x = 72,903.32