Finding the Fourth Proportional to 37,139.67, 55,702.56 and 10,479.09

Step by Step Solution

1. Step 1: Write the proportion equation
   37,139.67 : 55,702.56 = 10,479.09 : x
2. Step 2: Convert to fraction form
   37,139.67/55,702.56 = 10,479.09/x
3. Step 3: Cross multiply
   37,139.67x = 55,702.56 × 10,479.09
4. Step 4: Simplify right side
   37,139.67x = 583,712,139.47
5. Step 5: Solve for x
   x = 583,712,139.47/37,139.67
6. Step 6: Final answer
   x = 15,716.68