Finding the Fourth Proportional to 8,830.18, 12,185.40 and 5,053.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,830.18 : 12,185.40 = 5,053.51 : x
2. Step 2: Convert to fraction form
   8,830.18/12,185.40 = 5,053.51/x
3. Step 3: Cross multiply
   8,830.18x = 12,185.40 × 5,053.51
4. Step 4: Simplify right side
   8,830.18x = 61,579,040.75
5. Step 5: Solve for x
   x = 61,579,040.75/8,830.18
6. Step 6: Final answer
   x = 6,973.70