Finding the Fourth Proportional to 82,830.20, 124,233.31 and 26,663.01

Step by Step Solution

1. Step 1: Write the proportion equation
   82,830.20 : 124,233.31 = 26,663.01 : x
2. Step 2: Convert to fraction form
   82,830.20/124,233.31 = 26,663.01/x
3. Step 3: Cross multiply
   82,830.20x = 124,233.31 × 26,663.01
4. Step 4: Simplify right side
   82,830.20x = 3,312,433,554.32
5. Step 5: Solve for x
   x = 3,312,433,554.32/82,830.20
6. Step 6: Final answer
   x = 39,990.65