Finding the Fourth Proportional to 19,607.31, 29,417.15 and 7,124.01

Step by Step Solution

1. Step 1: Write the proportion equation
   19,607.31 : 29,417.15 = 7,124.01 : x
2. Step 2: Convert to fraction form
   19,607.31/29,417.15 = 7,124.01/x
3. Step 3: Cross multiply
   19,607.31x = 29,417.15 × 7,124.01
4. Step 4: Simplify right side
   19,607.31x = 209,568,035.15
5. Step 5: Solve for x
   x = 209,568,035.15/19,607.31
6. Step 6: Final answer
   x = 10,688.26