Finding the Fourth Proportional to 7,123.04, 9,820.32 and 5,445.44

Step by Step Solution

1. Step 1: Write the proportion equation
   7,123.04 : 9,820.32 = 5,445.44 : x
2. Step 2: Convert to fraction form
   7,123.04/9,820.32 = 5,445.44/x
3. Step 3: Cross multiply
   7,123.04x = 9,820.32 × 5,445.44
4. Step 4: Simplify right side
   7,123.04x = 53,475,963.34
5. Step 5: Solve for x
   x = 53,475,963.34/7,123.04
6. Step 6: Final answer
   x = 7,507.46