Finding the Fourth Proportional to 56,997.91, 85,506.06 and 17,555.01

Step by Step Solution

1. Step 1: Write the proportion equation
   56,997.91 : 85,506.06 = 17,555.01 : x
2. Step 2: Convert to fraction form
   56,997.91/85,506.06 = 17,555.01/x
3. Step 3: Cross multiply
   56,997.91x = 85,506.06 × 17,555.01
4. Step 4: Simplify right side
   56,997.91x = 1,501,059,650.59
5. Step 5: Solve for x
   x = 1,501,059,650.59/56,997.91
6. Step 6: Final answer
   x = 26,335.35