Finding the Fourth Proportional to 37,109.33, 55,605.60 and 28,696.40

Step by Step Solution

1. Step 1: Write the proportion equation
   37,109.33 : 55,605.60 = 28,696.40 : x
2. Step 2: Convert to fraction form
   37,109.33/55,605.60 = 28,696.40/x
3. Step 3: Cross multiply
   37,109.33x = 55,605.60 × 28,696.40
4. Step 4: Simplify right side
   37,109.33x = 1,595,680,118.33
5. Step 5: Solve for x
   x = 1,595,680,118.33/37,109.33
6. Step 6: Final answer
   x = 42,999.44