Finding the Fourth Proportional to 67,402.06, 93,016.62 and 37,187.78

Step by Step Solution

1. Step 1: Write the proportion equation
   67,402.06 : 93,016.62 = 37,187.78 : x
2. Step 2: Convert to fraction form
   67,402.06/93,016.62 = 37,187.78/x
3. Step 3: Cross multiply
   67,402.06x = 93,016.62 × 37,187.78
4. Step 4: Simplify right side
   67,402.06x = 3,459,081,135.82
5. Step 5: Solve for x
   x = 3,459,081,135.82/67,402.06
6. Step 6: Final answer
   x = 51,320.11