Finding the Fourth Proportional to 13,020.98, 17,970.05 and 7,356.76

Step by Step Solution

1. Step 1: Write the proportion equation
   13,020.98 : 17,970.05 = 7,356.76 : x
2. Step 2: Convert to fraction form
   13,020.98/17,970.05 = 7,356.76/x
3. Step 3: Cross multiply
   13,020.98x = 17,970.05 × 7,356.76
4. Step 4: Simplify right side
   13,020.98x = 132,201,345.04
5. Step 5: Solve for x
   x = 132,201,345.04/13,020.98
6. Step 6: Final answer
   x = 10,152.95