Finding the Fourth Proportional to 37,145.32, 55,736.70 and 13,774.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,145.32 : 55,736.70 = 13,774.12 : x
2. Step 2: Convert to fraction form
   37,145.32/55,736.70 = 13,774.12/x
3. Step 3: Cross multiply
   37,145.32x = 55,736.70 × 13,774.12
4. Step 4: Simplify right side
   37,145.32x = 767,723,994.20
5. Step 5: Solve for x
   x = 767,723,994.20/37,145.32
6. Step 6: Final answer
   x = 20,668.12