Finding the Fourth Proportional to 37,091.60, 51,185.34 and 21,777.90

Step by Step Solution

1. Step 1: Write the proportion equation
   37,091.60 : 51,185.34 = 21,777.90 : x
2. Step 2: Convert to fraction form
   37,091.60/51,185.34 = 21,777.90/x
3. Step 3: Cross multiply
   37,091.60x = 51,185.34 × 21,777.90
4. Step 4: Simplify right side
   37,091.60x = 1,114,708,851.17
5. Step 5: Solve for x
   x = 1,114,708,851.17/37,091.60
6. Step 6: Final answer
   x = 30,052.87