Finding the Fourth Proportional to 13,030.53, 17,977.98 and 7,992.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,030.53 : 17,977.98 = 7,992.33 : x
2. Step 2: Convert to fraction form
   13,030.53/17,977.98 = 7,992.33/x
3. Step 3: Cross multiply
   13,030.53x = 17,977.98 × 7,992.33
4. Step 4: Simplify right side
   13,030.53x = 143,685,948.89
5. Step 5: Solve for x
   x = 143,685,948.89/13,030.53
6. Step 6: Final answer
   x = 11,026.87