Finding the Fourth Proportional to 71,145, 98,225.76 and 45,662.28

Step by Step Solution

1. Step 1: Write the proportion equation
   71,145 : 98,225.76 = 45,662.28 : x
2. Step 2: Convert to fraction form
   71,145/98,225.76 = 45,662.28/x
3. Step 3: Cross multiply
   71,145x = 98,225.76 × 45,662.28
4. Step 4: Simplify right side
   71,145x = 4,485,212,156.33
5. Step 5: Solve for x
   x = 4,485,212,156.33/71,145
6. Step 6: Final answer
   x = 63,043.25