Finding the Fourth Proportional to 37,100.78, 51,201.57 and 20,962.50

Step by Step Solution

1. Step 1: Write the proportion equation
   37,100.78 : 51,201.57 = 20,962.50 : x
2. Step 2: Convert to fraction form
   37,100.78/51,201.57 = 20,962.50/x
3. Step 3: Cross multiply
   37,100.78x = 51,201.57 × 20,962.50
4. Step 4: Simplify right side
   37,100.78x = 1,073,312,911.13
5. Step 5: Solve for x
   x = 1,073,312,911.13/37,100.78
6. Step 6: Final answer
   x = 28,929.66