Finding the Fourth Proportional to 56,498.17, 84,714.03 and 21,440.29

Step by Step Solution

1. Step 1: Write the proportion equation
   56,498.17 : 84,714.03 = 21,440.29 : x
2. Step 2: Convert to fraction form
   56,498.17/84,714.03 = 21,440.29/x
3. Step 3: Cross multiply
   56,498.17x = 84,714.03 × 21,440.29
4. Step 4: Simplify right side
   56,498.17x = 1,816,293,370.27
5. Step 5: Solve for x
   x = 1,816,293,370.27/56,498.17
6. Step 6: Final answer
   x = 32,147.83