Finding the Fourth Proportional to 143,699.04, 198,330.72 and 83,308.32

Step by Step Solution

1. Step 1: Write the proportion equation
   143,699.04 : 198,330.72 = 83,308.32 : x
2. Step 2: Convert to fraction form
   143,699.04/198,330.72 = 83,308.32/x
3. Step 3: Cross multiply
   143,699.04x = 198,330.72 × 83,308.32
4. Step 4: Simplify right side
   143,699.04x = 16,522,599,087.59
5. Step 5: Solve for x
   x = 16,522,599,087.59/143,699.04
6. Step 6: Final answer
   x = 114,980.58