Finding the Fourth Proportional to 114,770.89, 172,427.01 and 67,507.12

Step by Step Solution

1. Step 1: Write the proportion equation
   114,770.89 : 172,427.01 = 67,507.12 : x
2. Step 2: Convert to fraction form
   114,770.89/172,427.01 = 67,507.12/x
3. Step 3: Cross multiply
   114,770.89x = 172,427.01 × 67,507.12
4. Step 4: Simplify right side
   114,770.89x = 11,640,050,855.31
5. Step 5: Solve for x
   x = 11,640,050,855.31/114,770.89
6. Step 6: Final answer
   x = 101,419.89