Finding the Fourth Proportional to 37,974, 52,404.12 and 21,207

Step by Step Solution

1. Step 1: Write the proportion equation
   37,974 : 52,404.12 = 21,207 : x
2. Step 2: Convert to fraction form
   37,974/52,404.12 = 21,207/x
3. Step 3: Cross multiply
   37,974x = 52,404.12 × 21,207
4. Step 4: Simplify right side
   37,974x = 1,111,334,172.84
5. Step 5: Solve for x
   x = 1,111,334,172.84/37,974
6. Step 6: Final answer
   x = 29,265.66