Finding the Fourth Proportional to 37,903, 52,307.22 and 21,137.08

Step by Step Solution

1. Step 1: Write the proportion equation
   37,903 : 52,307.22 = 21,137.08 : x
2. Step 2: Convert to fraction form
   37,903/52,307.22 = 21,137.08/x
3. Step 3: Cross multiply
   37,903x = 52,307.22 × 21,137.08
4. Step 4: Simplify right side
   37,903x = 1,105,621,893.72
5. Step 5: Solve for x
   x = 1,105,621,893.72/37,903
6. Step 6: Final answer
   x = 29,169.77