Finding the Fourth Proportional to 13,300.52, 19,891.96 and 11,830.06

Step by Step Solution

1. Step 1: Write the proportion equation
   13,300.52 : 19,891.96 = 11,830.06 : x
2. Step 2: Convert to fraction form
   13,300.52/19,891.96 = 11,830.06/x
3. Step 3: Cross multiply
   13,300.52x = 19,891.96 × 11,830.06
4. Step 4: Simplify right side
   13,300.52x = 235,323,021.17
5. Step 5: Solve for x
   x = 235,323,021.17/13,300.52
6. Step 6: Final answer
   x = 17,692.77