Finding the Fourth Proportional to 37,018.52, 55,438.80 and 21,175.52

Step by Step Solution

1. Step 1: Write the proportion equation
   37,018.52 : 55,438.80 = 21,175.52 : x
2. Step 2: Convert to fraction form
   37,018.52/55,438.80 = 21,175.52/x
3. Step 3: Cross multiply
   37,018.52x = 55,438.80 × 21,175.52
4. Step 4: Simplify right side
   37,018.52x = 1,173,945,418.18
5. Step 5: Solve for x
   x = 1,173,945,418.18/37,018.52
6. Step 6: Final answer
   x = 31,712.38