Finding the Fourth Proportional to 123,442.25, 170,303.33 and 91,254.14

Step by Step Solution

1. Step 1: Write the proportion equation
   123,442.25 : 170,303.33 = 91,254.14 : x
2. Step 2: Convert to fraction form
   123,442.25/170,303.33 = 91,254.14/x
3. Step 3: Cross multiply
   123,442.25x = 170,303.33 × 91,254.14
4. Step 4: Simplify right side
   123,442.25x = 15,540,884,572.18
5. Step 5: Solve for x
   x = 15,540,884,572.18/123,442.25
6. Step 6: Final answer
   x = 125,896.00