Finding the Fourth Proportional to 13,746.69, 18,970.43 and 7,459.07

Step by Step Solution

1. Step 1: Write the proportion equation
   13,746.69 : 18,970.43 = 7,459.07 : x
2. Step 2: Convert to fraction form
   13,746.69/18,970.43 = 7,459.07/x
3. Step 3: Cross multiply
   13,746.69x = 18,970.43 × 7,459.07
4. Step 4: Simplify right side
   13,746.69x = 141,501,765.30
5. Step 5: Solve for x
   x = 141,501,765.30/13,746.69
6. Step 6: Final answer
   x = 10,293.52