Finding the Fourth Proportional to 82,953.56, 124,430.82 and 20,624.06

Step by Step Solution

1. Step 1: Write the proportion equation
   82,953.56 : 124,430.82 = 20,624.06 : x
2. Step 2: Convert to fraction form
   82,953.56/124,430.82 = 20,624.06/x
3. Step 3: Cross multiply
   82,953.56x = 124,430.82 × 20,624.06
4. Step 4: Simplify right side
   82,953.56x = 2,566,268,931.27
5. Step 5: Solve for x
   x = 2,566,268,931.27/82,953.56
6. Step 6: Final answer
   x = 30,936.21