Finding the Fourth Proportional to 31,068.58, 42,844.95 and 20,882.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,068.58 : 42,844.95 = 20,882.62 : x
2. Step 2: Convert to fraction form
   31,068.58/42,844.95 = 20,882.62/x
3. Step 3: Cross multiply
   31,068.58x = 42,844.95 × 20,882.62
4. Step 4: Simplify right side
   31,068.58x = 894,714,809.77
5. Step 5: Solve for x
   x = 894,714,809.77/31,068.58
6. Step 6: Final answer
   x = 28,798.06