Finding the Fourth Proportional to 45,081.91, 67,595.86 and 21,395.35

Step by Step Solution

1. Step 1: Write the proportion equation
   45,081.91 : 67,595.86 = 21,395.35 : x
2. Step 2: Convert to fraction form
   45,081.91/67,595.86 = 21,395.35/x
3. Step 3: Cross multiply
   45,081.91x = 67,595.86 × 21,395.35
4. Step 4: Simplify right side
   45,081.91x = 1,446,237,083.25
5. Step 5: Solve for x
   x = 1,446,237,083.25/45,081.91
6. Step 6: Final answer
   x = 32,080.21