Finding the Fourth Proportional to 22,381.10, 33,564.78 and 7,385.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,381.10 : 33,564.78 = 7,385.45 : x
2. Step 2: Convert to fraction form
   22,381.10/33,564.78 = 7,385.45/x
3. Step 3: Cross multiply
   22,381.10x = 33,564.78 × 7,385.45
4. Step 4: Simplify right side
   22,381.10x = 247,890,967.52
5. Step 5: Solve for x
   x = 247,890,967.52/22,381.10
6. Step 6: Final answer
   x = 11,075.91