Finding the Fourth Proportional to 69,553.98, 104,269.41 and 30,089.57

Step by Step Solution

1. Step 1: Write the proportion equation
   69,553.98 : 104,269.41 = 30,089.57 : x
2. Step 2: Convert to fraction form
   69,553.98/104,269.41 = 30,089.57/x
3. Step 3: Cross multiply
   69,553.98x = 104,269.41 × 30,089.57
4. Step 4: Simplify right side
   69,553.98x = 3,137,421,189.71
5. Step 5: Solve for x
   x = 3,137,421,189.71/69,553.98
6. Step 6: Final answer
   x = 45,107.72