Finding the Fourth Proportional to 37,291.82, 51,449.72 and 21,157.23

Step by Step Solution

1. Step 1: Write the proportion equation
   37,291.82 : 51,449.72 = 21,157.23 : x
2. Step 2: Convert to fraction form
   37,291.82/51,449.72 = 21,157.23/x
3. Step 3: Cross multiply
   37,291.82x = 51,449.72 × 21,157.23
4. Step 4: Simplify right side
   37,291.82x = 1,088,533,272.02
5. Step 5: Solve for x
   x = 1,088,533,272.02/37,291.82
6. Step 6: Final answer
   x = 29,189.60