Finding the Fourth Proportional to 37,953.68, 52,377.72 and 21,187.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,953.68 : 52,377.72 = 21,187.76 : x
2. Step 2: Convert to fraction form
   37,953.68/52,377.72 = 21,187.76/x
3. Step 3: Cross multiply
   37,953.68x = 52,377.72 × 21,187.76
4. Step 4: Simplify right side
   37,953.68x = 1,109,766,560.71
5. Step 5: Solve for x
   x = 1,109,766,560.71/37,953.68
6. Step 6: Final answer
   x = 29,240.03