Finding the Fourth Proportional to 142,145,227.74, 196,142,388.90 and 83,386,453.98

Step by Step Solution

1. Step 1: Write the proportion equation
   142,145,227.74 : 196,142,388.90 = 83,386,453.98 : x
2. Step 2: Convert to fraction form
   142,145,227.74/196,142,388.90 = 83,386,453.98/x
3. Step 3: Cross multiply
   142,145,227.74x = 196,142,388.90 × 83,386,453.98
4. Step 4: Simplify right side
   142,145,227.74x = 16,355,618,285,537,114
5. Step 5: Solve for x
   x = 16,355,618,285,537,114/142,145,227.74
6. Step 6: Final answer
   x = 115,062,732.29