Finding the Fourth Proportional to 69,071.40, 103,638.52 and 33,513.52

Step by Step Solution

1. Step 1: Write the proportion equation
   69,071.40 : 103,638.52 = 33,513.52 : x
2. Step 2: Convert to fraction form
   69,071.40/103,638.52 = 33,513.52/x
3. Step 3: Cross multiply
   69,071.40x = 103,638.52 × 33,513.52
4. Step 4: Simplify right side
   69,071.40x = 3,473,291,612.79
5. Step 5: Solve for x
   x = 3,473,291,612.79/69,071.40
6. Step 6: Final answer
   x = 50,285.53