Finding the Fourth Proportional to 142,569,215.98, 196,723,045.06 and 83,040,309.20

Step by Step Solution

1. Step 1: Write the proportion equation
   142,569,215.98 : 196,723,045.06 = 83,040,309.20 : x
2. Step 2: Convert to fraction form
   142,569,215.98/196,723,045.06 = 83,040,309.20/x
3. Step 3: Cross multiply
   142,569,215.98x = 196,723,045.06 × 83,040,309.20
4. Step 4: Simplify right side
   142,569,215.98x = 16,335,942,488,832,140
5. Step 5: Solve for x
   x = 16,335,942,488,832,140/142,569,215.98
6. Step 6: Final answer
   x = 114,582,537.17