Finding the Fourth Proportional to 142,441,889.58, 196,507,397.25 and 83,678,045.22

Step by Step Solution

1. Step 1: Write the proportion equation
   142,441,889.58 : 196,507,397.25 = 83,678,045.22 : x
2. Step 2: Convert to fraction form
   142,441,889.58/196,507,397.25 = 83,678,045.22/x
3. Step 3: Cross multiply
   142,441,889.58x = 196,507,397.25 × 83,678,045.22
4. Step 4: Simplify right side
   142,441,889.58x = 16,443,354,873,150,004
5. Step 5: Solve for x
   x = 16,443,354,873,150,004/142,441,889.58
6. Step 6: Final answer
   x = 115,439,039.19