Finding the Fourth Proportional to 69,848.72, 104,774.71 and 19,933.28

Step by Step Solution

1. Step 1: Write the proportion equation
   69,848.72 : 104,774.71 = 19,933.28 : x
2. Step 2: Convert to fraction form
   69,848.72/104,774.71 = 19,933.28/x
3. Step 3: Cross multiply
   69,848.72x = 104,774.71 × 19,933.28
4. Step 4: Simplify right side
   69,848.72x = 2,088,503,631.35
5. Step 5: Solve for x
   x = 2,088,503,631.35/69,848.72
6. Step 6: Final answer
   x = 29,900.39