Finding the Fourth Proportional to 102,085.34, 153,171.93 and 35,489.21

Step by Step Solution

1. Step 1: Write the proportion equation
   102,085.34 : 153,171.93 = 35,489.21 : x
2. Step 2: Convert to fraction form
   102,085.34/153,171.93 = 35,489.21/x
3. Step 3: Cross multiply
   102,085.34x = 153,171.93 × 35,489.21
4. Step 4: Simplify right side
   102,085.34x = 5,435,950,789.88
5. Step 5: Solve for x
   x = 5,435,950,789.88/102,085.34
6. Step 6: Final answer
   x = 53,249.08