Finding the Fourth Proportional to 14,300.30, 21,435.48 and 5,985.08

Step by Step Solution

1. Step 1: Write the proportion equation
   14,300.30 : 21,435.48 = 5,985.08 : x
2. Step 2: Convert to fraction form
   14,300.30/21,435.48 = 5,985.08/x
3. Step 3: Cross multiply
   14,300.30x = 21,435.48 × 5,985.08
4. Step 4: Simplify right side
   14,300.30x = 128,293,062.64
5. Step 5: Solve for x
   x = 128,293,062.64/14,300.30
6. Step 6: Final answer
   x = 8,971.35