Finding the Fourth Proportional to 71,662.46, 98,921.03 and 53,809.04

Step by Step Solution

1. Step 1: Write the proportion equation
   71,662.46 : 98,921.03 = 53,809.04 : x
2. Step 2: Convert to fraction form
   71,662.46/98,921.03 = 53,809.04/x
3. Step 3: Cross multiply
   71,662.46x = 98,921.03 × 53,809.04
4. Step 4: Simplify right side
   71,662.46x = 5,322,845,638.37
5. Step 5: Solve for x
   x = 5,322,845,638.37/71,662.46
6. Step 6: Final answer
   x = 74,276.63