Finding the Fourth Proportional to 142,441,890.58, 196,507,398.63 and 83,678,046.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,441,890.58 : 196,507,398.63 = 83,678,046.22 : x
2. Step 2: Convert to fraction form
   142,441,890.58/196,507,398.63 = 83,678,046.22/x
3. Step 3: Cross multiply
   142,441,890.58x = 196,507,398.63 × 83,678,046.22
4. Step 4: Simplify right side
   142,441,890.58x = 16,443,355,185,133,104
5. Step 5: Solve for x
   x = 16,443,355,185,133,104/142,441,890.58
6. Step 6: Final answer
   x = 115,439,040.57