Finding the Fourth Proportional to 69,123.30, 95,393.28 and 38,919

Step by Step Solution

1. Step 1: Write the proportion equation
   69,123.30 : 95,393.28 = 38,919 : x
2. Step 2: Convert to fraction form
   69,123.30/95,393.28 = 38,919/x
3. Step 3: Cross multiply
   69,123.30x = 95,393.28 × 38,919
4. Step 4: Simplify right side
   69,123.30x = 3,712,611,064.32
5. Step 5: Solve for x
   x = 3,712,611,064.32/69,123.30
6. Step 6: Final answer
   x = 53,709.98