Finding the Fourth Proportional to 69,005.57, 103,434.53 and 35,692.09

Step by Step Solution

1. Step 1: Write the proportion equation
   69,005.57 : 103,434.53 = 35,692.09 : x
2. Step 2: Convert to fraction form
   69,005.57/103,434.53 = 35,692.09/x
3. Step 3: Cross multiply
   69,005.57x = 103,434.53 × 35,692.09
4. Step 4: Simplify right side
   69,005.57x = 3,691,794,116.82
5. Step 5: Solve for x
   x = 3,691,794,116.82/69,005.57
6. Step 6: Final answer
   x = 53,499.95