Finding the Fourth Proportional to 13,404.48, 18,498.05 and 7,436.00

Step by Step Solution

1. Step 1: Write the proportion equation
   13,404.48 : 18,498.05 = 7,436.00 : x
2. Step 2: Convert to fraction form
   13,404.48/18,498.05 = 7,436.00/x
3. Step 3: Cross multiply
   13,404.48x = 18,498.05 × 7,436.00
4. Step 4: Simplify right side
   13,404.48x = 137,551,370.13
5. Step 5: Solve for x
   x = 137,551,370.13/13,404.48
6. Step 6: Final answer
   x = 10,261.60