Finding the Fourth Proportional to 143,507.82, 198,018.42 and 83,066.64

Step by Step Solution

1. Step 1: Write the proportion equation
   143,507.82 : 198,018.42 = 83,066.64 : x
2. Step 2: Convert to fraction form
   143,507.82/198,018.42 = 83,066.64/x
3. Step 3: Cross multiply
   143,507.82x = 198,018.42 × 83,066.64
4. Step 4: Simplify right side
   143,507.82x = 16,448,724,807.51
5. Step 5: Solve for x
   x = 16,448,724,807.51/143,507.82
6. Step 6: Final answer
   x = 114,619.01