Finding the Fourth Proportional to 37,978.88, 52,401.92 and 22,053.76

Step by Step Solution

1. Step 1: Write the proportion equation
   37,978.88 : 52,401.92 = 22,053.76 : x
2. Step 2: Convert to fraction form
   37,978.88/52,401.92 = 22,053.76/x
3. Step 3: Cross multiply
   37,978.88x = 52,401.92 × 22,053.76
4. Step 4: Simplify right side
   37,978.88x = 1,155,659,367.22
5. Step 5: Solve for x
   x = 1,155,659,367.22/37,978.88
6. Step 6: Final answer
   x = 30,429.00