Finding the Fourth Proportional to 70,747, 97,644.72 and 40,552.56

Step by Step Solution

1. Step 1: Write the proportion equation
   70,747 : 97,644.72 = 40,552.56 : x
2. Step 2: Convert to fraction form
   70,747/97,644.72 = 40,552.56/x
3. Step 3: Cross multiply
   70,747x = 97,644.72 × 40,552.56
4. Step 4: Simplify right side
   70,747x = 3,959,743,366.48
5. Step 5: Solve for x
   x = 3,959,743,366.48/70,747
6. Step 6: Final answer
   x = 55,970.48