Finding the Fourth Proportional to 10,023.60, 15,030.78 and 2,906.22

Step by Step Solution

1. Step 1: Write the proportion equation
   10,023.60 : 15,030.78 = 2,906.22 : x
2. Step 2: Convert to fraction form
   10,023.60/15,030.78 = 2,906.22/x
3. Step 3: Cross multiply
   10,023.60x = 15,030.78 × 2,906.22
4. Step 4: Simplify right side
   10,023.60x = 43,682,753.45
5. Step 5: Solve for x
   x = 43,682,753.45/10,023.60
6. Step 6: Final answer
   x = 4,357.99