Finding the Fourth Proportional to 39,090.50, 58,588.82 and 18,001.59

Step by Step Solution

1. Step 1: Write the proportion equation
   39,090.50 : 58,588.82 = 18,001.59 : x
2. Step 2: Convert to fraction form
   39,090.50/58,588.82 = 18,001.59/x
3. Step 3: Cross multiply
   39,090.50x = 58,588.82 × 18,001.59
4. Step 4: Simplify right side
   39,090.50x = 1,054,692,003.58
5. Step 5: Solve for x
   x = 1,054,692,003.58/39,090.50
6. Step 6: Final answer
   x = 26,980.78