Finding the Fourth Proportional to 123,904.02, 170,996 and 70,189.47

Step by Step Solution

1. Step 1: Write the proportion equation
   123,904.02 : 170,996 = 70,189.47 : x
2. Step 2: Convert to fraction form
   123,904.02/170,996 = 70,189.47/x
3. Step 3: Cross multiply
   123,904.02x = 170,996 × 70,189.47
4. Step 4: Simplify right side
   123,904.02x = 12,002,118,612.12
5. Step 5: Solve for x
   x = 12,002,118,612.12/123,904.02
6. Step 6: Final answer
   x = 96,866.26