Finding the Fourth Proportional to 10,499.63, 14,489.29 and 5,783.81

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.63 : 14,489.29 = 5,783.81 : x
2. Step 2: Convert to fraction form
   10,499.63/14,489.29 = 5,783.81/x
3. Step 3: Cross multiply
   10,499.63x = 14,489.29 × 5,783.81
4. Step 4: Simplify right side
   10,499.63x = 83,803,300.39
5. Step 5: Solve for x
   x = 83,803,300.39/10,499.63
6. Step 6: Final answer
   x = 7,981.55