Finding the Fourth Proportional to 67,870.74, 101,616.15 and 51,178.53

Step by Step Solution

1. Step 1: Write the proportion equation
   67,870.74 : 101,616.15 = 51,178.53 : x
2. Step 2: Convert to fraction form
   67,870.74/101,616.15 = 51,178.53/x
3. Step 3: Cross multiply
   67,870.74x = 101,616.15 × 51,178.53
4. Step 4: Simplify right side
   67,870.74x = 5,200,565,181.26
5. Step 5: Solve for x
   x = 5,200,565,181.26/67,870.74
6. Step 6: Final answer
   x = 76,624.55