Finding the Fourth Proportional to 37,488.42, 51,734.07 and 21,572.55

Step by Step Solution

1. Step 1: Write the proportion equation
   37,488.42 : 51,734.07 = 21,572.55 : x
2. Step 2: Convert to fraction form
   37,488.42/51,734.07 = 21,572.55/x
3. Step 3: Cross multiply
   37,488.42x = 51,734.07 × 21,572.55
4. Step 4: Simplify right side
   37,488.42x = 1,116,035,811.78
5. Step 5: Solve for x
   x = 1,116,035,811.78/37,488.42
6. Step 6: Final answer
   x = 29,770.15