Finding the Fourth Proportional to 9,810.49, 13,536.43 and 5,830.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,810.49 : 13,536.43 = 5,830.15 : x
2. Step 2: Convert to fraction form
   9,810.49/13,536.43 = 5,830.15/x
3. Step 3: Cross multiply
   9,810.49x = 13,536.43 × 5,830.15
4. Step 4: Simplify right side
   9,810.49x = 78,919,417.36
5. Step 5: Solve for x
   x = 78,919,417.36/9,810.49
6. Step 6: Final answer
   x = 8,044.39