Finding the Fourth Proportional to 37,914.72, 52,322.42 and 21,148.80

Step by Step Solution

1. Step 1: Write the proportion equation
   37,914.72 : 52,322.42 = 21,148.80 : x
2. Step 2: Convert to fraction form
   37,914.72/52,322.42 = 21,148.80/x
3. Step 3: Cross multiply
   37,914.72x = 52,322.42 × 21,148.80
4. Step 4: Simplify right side
   37,914.72x = 1,106,556,396.10
5. Step 5: Solve for x
   x = 1,106,556,396.10/37,914.72
6. Step 6: Final answer
   x = 29,185.40