Finding the Fourth Proportional to 13,062.71, 19,580.66 and 5,162.03

Step by Step Solution

1. Step 1: Write the proportion equation
   13,062.71 : 19,580.66 = 5,162.03 : x
2. Step 2: Convert to fraction form
   13,062.71/19,580.66 = 5,162.03/x
3. Step 3: Cross multiply
   13,062.71x = 19,580.66 × 5,162.03
4. Step 4: Simplify right side
   13,062.71x = 101,075,923.41
5. Step 5: Solve for x
   x = 101,075,923.41/13,062.71
6. Step 6: Final answer
   x = 7,737.74