Finding the Fourth Proportional to 13,284.95, 19,890.16 and 7,030.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,284.95 : 19,890.16 = 7,030.82 : x
2. Step 2: Convert to fraction form
   13,284.95/19,890.16 = 7,030.82/x
3. Step 3: Cross multiply
   13,284.95x = 19,890.16 × 7,030.82
4. Step 4: Simplify right side
   13,284.95x = 139,844,166.88
5. Step 5: Solve for x
   x = 139,844,166.88/13,284.95
6. Step 6: Final answer
   x = 10,526.51