Finding the Fourth Proportional to 167,099, 230,607.56 and 91,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   167,099 : 230,607.56 = 91,647.50 : x
2. Step 2: Convert to fraction form
   167,099/230,607.56 = 91,647.50/x
3. Step 3: Cross multiply
   167,099x = 230,607.56 × 91,647.50
4. Step 4: Simplify right side
   167,099x = 21,134,606,355.10
5. Step 5: Solve for x
   x = 21,134,606,355.10/167,099
6. Step 6: Final answer
   x = 126,479.55