Finding the Fourth Proportional to 37,308.42, 55,965.15 and 13,934.34

Step by Step Solution

1. Step 1: Write the proportion equation
   37,308.42 : 55,965.15 = 13,934.34 : x
2. Step 2: Convert to fraction form
   37,308.42/55,965.15 = 13,934.34/x
3. Step 3: Cross multiply
   37,308.42x = 55,965.15 × 13,934.34
4. Step 4: Simplify right side
   37,308.42x = 779,837,428.25
5. Step 5: Solve for x
   x = 779,837,428.25/37,308.42
6. Step 6: Final answer
   x = 20,902.45