Finding the Fourth Proportional to 7,123.58, 10,684.56 and 1,929.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,123.58 : 10,684.56 = 1,929.05 : x
2. Step 2: Convert to fraction form
   7,123.58/10,684.56 = 1,929.05/x
3. Step 3: Cross multiply
   7,123.58x = 10,684.56 × 1,929.05
4. Step 4: Simplify right side
   7,123.58x = 20,610,987.40
5. Step 5: Solve for x
   x = 20,610,987.40/7,123.58
6. Step 6: Final answer
   x = 2,893.35