Finding the Fourth Proportional to 37,018.24, 51,086.50 and 21,100.12

Step by Step Solution

1. Step 1: Write the proportion equation
   37,018.24 : 51,086.50 = 21,100.12 : x
2. Step 2: Convert to fraction form
   37,018.24/51,086.50 = 21,100.12/x
3. Step 3: Cross multiply
   37,018.24x = 51,086.50 × 21,100.12
4. Step 4: Simplify right side
   37,018.24x = 1,077,931,280.38
5. Step 5: Solve for x
   x = 1,077,931,280.38/37,018.24
6. Step 6: Final answer
   x = 29,118.92