Finding the Fourth Proportional to 37,115.31, 55,667.05 and 10,813.91

Step by Step Solution

1. Step 1: Write the proportion equation
   37,115.31 : 55,667.05 = 10,813.91 : x
2. Step 2: Convert to fraction form
   37,115.31/55,667.05 = 10,813.91/x
3. Step 3: Cross multiply
   37,115.31x = 55,667.05 × 10,813.91
4. Step 4: Simplify right side
   37,115.31x = 601,978,163.30
5. Step 5: Solve for x
   x = 601,978,163.30/37,115.31
6. Step 6: Final answer
   x = 16,219.13