Finding the Fourth Proportional to 13,030.77, 19,545.98 and 3,170.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,030.77 : 19,545.98 = 3,170.02 : x
2. Step 2: Convert to fraction form
   13,030.77/19,545.98 = 3,170.02/x
3. Step 3: Cross multiply
   13,030.77x = 19,545.98 × 3,170.02
4. Step 4: Simplify right side
   13,030.77x = 61,961,147.52
5. Step 5: Solve for x
   x = 61,961,147.52/13,030.77
6. Step 6: Final answer
   x = 4,754.99