Finding the Fourth Proportional to 37,588.50, 56,386.53 and 13,902.30

Step by Step Solution

1. Step 1: Write the proportion equation
   37,588.50 : 56,386.53 = 13,902.30 : x
2. Step 2: Convert to fraction form
   37,588.50/56,386.53 = 13,902.30/x
3. Step 3: Cross multiply
   37,588.50x = 56,386.53 × 13,902.30
4. Step 4: Simplify right side
   37,588.50x = 783,902,456.02
5. Step 5: Solve for x
   x = 783,902,456.02/37,588.50
6. Step 6: Final answer
   x = 20,854.85