Finding the Fourth Proportional to 37,891.86, 52,284.69 and 21,973.20

Step by Step Solution

1. Step 1: Write the proportion equation
   37,891.86 : 52,284.69 = 21,973.20 : x
2. Step 2: Convert to fraction form
   37,891.86/52,284.69 = 21,973.20/x
3. Step 3: Cross multiply
   37,891.86x = 52,284.69 × 21,973.20
4. Step 4: Simplify right side
   37,891.86x = 1,148,861,950.31
5. Step 5: Solve for x
   x = 1,148,861,950.31/37,891.86
6. Step 6: Final answer
   x = 30,319.49