Finding the Fourth Proportional to 124,256.09, 171,478.24 and 70,546.10

Step by Step Solution

1. Step 1: Write the proportion equation
   124,256.09 : 171,478.24 = 70,546.10 : x
2. Step 2: Convert to fraction form
   124,256.09/171,478.24 = 70,546.10/x
3. Step 3: Cross multiply
   124,256.09x = 171,478.24 × 70,546.10
4. Step 4: Simplify right side
   124,256.09x = 12,097,121,066.86
5. Step 5: Solve for x
   x = 12,097,121,066.86/124,256.09
6. Step 6: Final answer
   x = 97,356.36