Finding the Fourth Proportional to 67,870.17, 101,854.51 and 47,747.34

Step by Step Solution

1. Step 1: Write the proportion equation
   67,870.17 : 101,854.51 = 47,747.34 : x
2. Step 2: Convert to fraction form
   67,870.17/101,854.51 = 47,747.34/x
3. Step 3: Cross multiply
   67,870.17x = 101,854.51 × 47,747.34
4. Step 4: Simplify right side
   67,870.17x = 4,863,281,800.14
5. Step 5: Solve for x
   x = 4,863,281,800.14/67,870.17
6. Step 6: Final answer
   x = 71,655.66