Finding the Fourth Proportional to 22,103.55, 33,152.02 and 7,312.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,103.55 : 33,152.02 = 7,312.55 : x
2. Step 2: Convert to fraction form
   22,103.55/33,152.02 = 7,312.55/x
3. Step 3: Cross multiply
   22,103.55x = 33,152.02 × 7,312.55
4. Step 4: Simplify right side
   22,103.55x = 242,425,619.81
5. Step 5: Solve for x
   x = 242,425,619.81/22,103.55
6. Step 6: Final answer
   x = 10,967.72