Finding the Fourth Proportional to 67,980.17, 93,812.55 and 37,768.28

Step by Step Solution

1. Step 1: Write the proportion equation
   67,980.17 : 93,812.55 = 37,768.28 : x
2. Step 2: Convert to fraction form
   67,980.17/93,812.55 = 37,768.28/x
3. Step 3: Cross multiply
   67,980.17x = 93,812.55 × 37,768.28
4. Step 4: Simplify right side
   67,980.17x = 3,543,138,655.91
5. Step 5: Solve for x
   x = 3,543,138,655.91/67,980.17
6. Step 6: Final answer
   x = 52,120.18