Finding the Fourth Proportional to 49,008.12, 73,510.56 and 21,306.12

Step by Step Solution

1. Step 1: Write the proportion equation
   49,008.12 : 73,510.56 = 21,306.12 : x
2. Step 2: Convert to fraction form
   49,008.12/73,510.56 = 21,306.12/x
3. Step 3: Cross multiply
   49,008.12x = 73,510.56 × 21,306.12
4. Step 4: Simplify right side
   49,008.12x = 1,566,224,812.63
5. Step 5: Solve for x
   x = 1,566,224,812.63/49,008.12
6. Step 6: Final answer
   x = 31,958.48