Finding the Fourth Proportional to 69,385.47, 104,059.31 and 19,462.47

Step by Step Solution

1. Step 1: Write the proportion equation
   69,385.47 : 104,059.31 = 19,462.47 : x
2. Step 2: Convert to fraction form
   69,385.47/104,059.31 = 19,462.47/x
3. Step 3: Cross multiply
   69,385.47x = 104,059.31 × 19,462.47
4. Step 4: Simplify right side
   69,385.47x = 2,025,251,101.78
5. Step 5: Solve for x
   x = 2,025,251,101.78/69,385.47
6. Step 6: Final answer
   x = 29,188.40