Finding the Fourth Proportional to 47,530.72, 71,099.12 and 43,200.46

Step by Step Solution

1. Step 1: Write the proportion equation
   47,530.72 : 71,099.12 = 43,200.46 : x
2. Step 2: Convert to fraction form
   47,530.72/71,099.12 = 43,200.46/x
3. Step 3: Cross multiply
   47,530.72x = 71,099.12 × 43,200.46
4. Step 4: Simplify right side
   47,530.72x = 3,071,514,689.60
5. Step 5: Solve for x
   x = 3,071,514,689.60/47,530.72
6. Step 6: Final answer
   x = 64,621.67