Finding the Fourth Proportional to 124,225.12, 171,430.86 and 67,636.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,225.12 : 171,430.86 = 67,636.72 : x
2. Step 2: Convert to fraction form
   124,225.12/171,430.86 = 67,636.72/x
3. Step 3: Cross multiply
   124,225.12x = 171,430.86 × 67,636.72
4. Step 4: Simplify right side
   124,225.12x = 11,595,021,077.18
5. Step 5: Solve for x
   x = 11,595,021,077.18/124,225.12
6. Step 6: Final answer
   x = 93,338.78