Finding the Fourth Proportional to 77,498.57, 116,250.73 and 21,343.03

Step by Step Solution

1. Step 1: Write the proportion equation
   77,498.57 : 116,250.73 = 21,343.03 : x
2. Step 2: Convert to fraction form
   77,498.57/116,250.73 = 21,343.03/x
3. Step 3: Cross multiply
   77,498.57x = 116,250.73 × 21,343.03
4. Step 4: Simplify right side
   77,498.57x = 2,481,142,473.93
5. Step 5: Solve for x
   x = 2,481,142,473.93/77,498.57
6. Step 6: Final answer
   x = 32,015.33