Finding the Fourth Proportional to 167,699.01, 231,343.32 and 99,667.83

Step by Step Solution

1. Step 1: Write the proportion equation
   167,699.01 : 231,343.32 = 99,667.83 : x
2. Step 2: Convert to fraction form
   167,699.01/231,343.32 = 99,667.83/x
3. Step 3: Cross multiply
   167,699.01x = 231,343.32 × 99,667.83
4. Step 4: Simplify right side
   167,699.01x = 23,057,486,689.40
5. Step 5: Solve for x
   x = 23,057,486,689.40/167,699.01
6. Step 6: Final answer
   x = 137,493.28