Finding the Fourth Proportional to 37,926.52, 52,338.52 and 20,931.81

Step by Step Solution

1. Step 1: Write the proportion equation
   37,926.52 : 52,338.52 = 20,931.81 : x
2. Step 2: Convert to fraction form
   37,926.52/52,338.52 = 20,931.81/x
3. Step 3: Cross multiply
   37,926.52x = 52,338.52 × 20,931.81
4. Step 4: Simplify right side
   37,926.52x = 1,095,539,956.32
5. Step 5: Solve for x
   x = 1,095,539,956.32/37,926.52
6. Step 6: Final answer
   x = 28,885.85