Finding the Fourth Proportional to 37,083.12, 55,618.52 and 13,386.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,083.12 : 55,618.52 = 13,386.12 : x
2. Step 2: Convert to fraction form
   37,083.12/55,618.52 = 13,386.12/x
3. Step 3: Cross multiply
   37,083.12x = 55,618.52 × 13,386.12
4. Step 4: Simplify right side
   37,083.12x = 744,516,195.64
5. Step 5: Solve for x
   x = 744,516,195.64/37,083.12
6. Step 6: Final answer
   x = 20,076.96