Finding the Fourth Proportional to 69,699.83, 104,553.72 and 19,775.98

Step by Step Solution

1. Step 1: Write the proportion equation
   69,699.83 : 104,553.72 = 19,775.98 : x
2. Step 2: Convert to fraction form
   69,699.83/104,553.72 = 19,775.98/x
3. Step 3: Cross multiply
   69,699.83x = 104,553.72 × 19,775.98
4. Step 4: Simplify right side
   69,699.83x = 2,067,652,406.34
5. Step 5: Solve for x
   x = 2,067,652,406.34/69,699.83
6. Step 6: Final answer
   x = 29,665.10