Finding the Fourth Proportional to 39,900.01, 55,003.17 and 25,558.15

Step by Step Solution

1. Step 1: Write the proportion equation
   39,900.01 : 55,003.17 = 25,558.15 : x
2. Step 2: Convert to fraction form
   39,900.01/55,003.17 = 25,558.15/x
3. Step 3: Cross multiply
   39,900.01x = 55,003.17 × 25,558.15
4. Step 4: Simplify right side
   39,900.01x = 1,405,779,269.34
5. Step 5: Solve for x
   x = 1,405,779,269.34/39,900.01
6. Step 6: Final answer
   x = 35,232.55