Finding the Fourth Proportional to 71,970.48, 99,320.84 and 43,673.04

Step by Step Solution

1. Step 1: Write the proportion equation
   71,970.48 : 99,320.84 = 43,673.04 : x
2. Step 2: Convert to fraction form
   71,970.48/99,320.84 = 43,673.04/x
3. Step 3: Cross multiply
   71,970.48x = 99,320.84 × 43,673.04
4. Step 4: Simplify right side
   71,970.48x = 4,337,643,018.15
5. Step 5: Solve for x
   x = 4,337,643,018.15/71,970.48
6. Step 6: Final answer
   x = 60,269.75