Finding the Fourth Proportional to 7,870.52, 10,861.32 and 4,333.74

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.52 : 10,861.32 = 4,333.74 : x
2. Step 2: Convert to fraction form
   7,870.52/10,861.32 = 4,333.74/x
3. Step 3: Cross multiply
   7,870.52x = 10,861.32 × 4,333.74
4. Step 4: Simplify right side
   7,870.52x = 47,070,136.94
5. Step 5: Solve for x
   x = 47,070,136.94/7,870.52
6. Step 6: Final answer
   x = 5,980.56