Finding the Fourth Proportional to 77,499.57, 116,252.23 and 21,344.03

Step by Step Solution

1. Step 1: Write the proportion equation
   77,499.57 : 116,252.23 = 21,344.03 : x
2. Step 2: Convert to fraction form
   77,499.57/116,252.23 = 21,344.03/x
3. Step 3: Cross multiply
   77,499.57x = 116,252.23 × 21,344.03
4. Step 4: Simplify right side
   77,499.57x = 2,481,291,084.69
5. Step 5: Solve for x
   x = 2,481,291,084.69/77,499.57
6. Step 6: Final answer
   x = 32,016.84