Finding the Fourth Proportional to 124,245, 171,447.30 and 70,532.28

Step by Step Solution

1. Step 1: Write the proportion equation
   124,245 : 171,447.30 = 70,532.28 : x
2. Step 2: Convert to fraction form
   124,245/171,447.30 = 70,532.28/x
3. Step 3: Cross multiply
   124,245x = 171,447.30 × 70,532.28
4. Step 4: Simplify right side
   124,245x = 12,092,568,968.84
5. Step 5: Solve for x
   x = 12,092,568,968.84/124,245
6. Step 6: Final answer
   x = 97,328.42