Finding the Fourth Proportional to 37,931.17, 52,344.98 and 21,164.17

Step by Step Solution

1. Step 1: Write the proportion equation
   37,931.17 : 52,344.98 = 21,164.17 : x
2. Step 2: Convert to fraction form
   37,931.17/52,344.98 = 21,164.17/x
3. Step 3: Cross multiply
   37,931.17x = 52,344.98 × 21,164.17
4. Step 4: Simplify right side
   37,931.17x = 1,107,837,687.82
5. Step 5: Solve for x
   x = 1,107,837,687.82/37,931.17
6. Step 6: Final answer
   x = 29,206.53