Finding the Fourth Proportional to 14,405.83, 21,603.85 and 7,005.58

Step by Step Solution

1. Step 1: Write the proportion equation
   14,405.83 : 21,603.85 = 7,005.58 : x
2. Step 2: Convert to fraction form
   14,405.83/21,603.85 = 7,005.58/x
3. Step 3: Cross multiply
   14,405.83x = 21,603.85 × 7,005.58
4. Step 4: Simplify right side
   14,405.83x = 151,347,499.48
5. Step 5: Solve for x
   x = 151,347,499.48/14,405.83
6. Step 6: Final answer
   x = 10,505.99