Finding the Fourth Proportional to 67,978.62, 101,978.28 and 34,680.51

Step by Step Solution

1. Step 1: Write the proportion equation
   67,978.62 : 101,978.28 = 34,680.51 : x
2. Step 2: Convert to fraction form
   67,978.62/101,978.28 = 34,680.51/x
3. Step 3: Cross multiply
   67,978.62x = 101,978.28 × 34,680.51
4. Step 4: Simplify right side
   67,978.62x = 3,536,658,759.32
5. Step 5: Solve for x
   x = 3,536,658,759.32/67,978.62
6. Step 6: Final answer
   x = 52,026.05