Finding the Fourth Proportional to 70,911.48, 106,404.24 and 45,945.02

Step by Step Solution

1. Step 1: Write the proportion equation
   70,911.48 : 106,404.24 = 45,945.02 : x
2. Step 2: Convert to fraction form
   70,911.48/106,404.24 = 45,945.02/x
3. Step 3: Cross multiply
   70,911.48x = 106,404.24 × 45,945.02
4. Step 4: Simplify right side
   70,911.48x = 4,888,744,934.88
5. Step 5: Solve for x
   x = 4,888,744,934.88/70,911.48
6. Step 6: Final answer
   x = 68,941.52