Finding the Fourth Proportional to 10,619.64, 14,654.93 and 5,903.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,619.64 : 14,654.93 = 5,903.82 : x
2. Step 2: Convert to fraction form
   10,619.64/14,654.93 = 5,903.82/x
3. Step 3: Cross multiply
   10,619.64x = 14,654.93 × 5,903.82
4. Step 4: Simplify right side
   10,619.64x = 86,520,039.31
5. Step 5: Solve for x
   x = 86,520,039.31/10,619.64
6. Step 6: Final answer
   x = 8,147.17