Finding the Fourth Proportional to 37,869.42, 52,261.56 and 21,958.86

Step by Step Solution

1. Step 1: Write the proportion equation
   37,869.42 : 52,261.56 = 21,958.86 : x
2. Step 2: Convert to fraction form
   37,869.42/52,261.56 = 21,958.86/x
3. Step 3: Cross multiply
   37,869.42x = 52,261.56 × 21,958.86
4. Step 4: Simplify right side
   37,869.42x = 1,147,604,279.42
5. Step 5: Solve for x
   x = 1,147,604,279.42/37,869.42
6. Step 6: Final answer
   x = 30,304.25