Finding the Fourth Proportional to 82,937.32, 124,406.06 and 20,607.82

Step by Step Solution

1. Step 1: Write the proportion equation
   82,937.32 : 124,406.06 = 20,607.82 : x
2. Step 2: Convert to fraction form
   82,937.32/124,406.06 = 20,607.82/x
3. Step 3: Cross multiply
   82,937.32x = 124,406.06 × 20,607.82
4. Step 4: Simplify right side
   82,937.32x = 2,563,737,277.33
5. Step 5: Solve for x
   x = 2,563,737,277.33/82,937.32
6. Step 6: Final answer
   x = 30,911.75