Finding the Fourth Proportional to 37,128.78, 55,563.03 and 26,610.39

Step by Step Solution

1. Step 1: Write the proportion equation
   37,128.78 : 55,563.03 = 26,610.39 : x
2. Step 2: Convert to fraction form
   37,128.78/55,563.03 = 26,610.39/x
3. Step 3: Cross multiply
   37,128.78x = 55,563.03 × 26,610.39
4. Step 4: Simplify right side
   37,128.78x = 1,478,553,897.88
5. Step 5: Solve for x
   x = 1,478,553,897.88/37,128.78
6. Step 6: Final answer
   x = 39,822.31