Finding the Fourth Proportional to 80,850, 111,580.56 and 47,316

Step by Step Solution

1. Step 1: Write the proportion equation
   80,850 : 111,580.56 = 47,316 : x
2. Step 2: Convert to fraction form
   80,850/111,580.56 = 47,316/x
3. Step 3: Cross multiply
   80,850x = 111,580.56 × 47,316
4. Step 4: Simplify right side
   80,850x = 5,279,545,776.96
5. Step 5: Solve for x
   x = 5,279,545,776.96/80,850
6. Step 6: Final answer
   x = 65,300.50