Finding the Fourth Proportional to 142,569,217.98, 196,723,047.82 and 83,040,311.20

Step by Step Solution

1. Step 1: Write the proportion equation
   142,569,217.98 : 196,723,047.82 = 83,040,311.20 : x
2. Step 2: Convert to fraction form
   142,569,217.98/196,723,047.82 = 83,040,311.20/x
3. Step 3: Cross multiply
   142,569,217.98x = 196,723,047.82 × 83,040,311.20
4. Step 4: Simplify right side
   142,569,217.98x = 16,335,943,111,185,282
5. Step 5: Solve for x
   x = 16,335,943,111,185,282/142,569,217.98
6. Step 6: Final answer
   x = 114,582,539.92