Finding the Fourth Proportional to 52,760.10, 72,842.91 and 47,085.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,760.10 : 72,842.91 = 47,085.12 : x
2. Step 2: Convert to fraction form
   52,760.10/72,842.91 = 47,085.12/x
3. Step 3: Cross multiply
   52,760.10x = 72,842.91 × 47,085.12
4. Step 4: Simplify right side
   52,760.10x = 3,429,817,158.50
5. Step 5: Solve for x
   x = 3,429,817,158.50/52,760.10
6. Step 6: Final answer
   x = 65,007.78