Finding the Fourth Proportional to 37,690.76, 52,009.57 and 21,774.87

Step by Step Solution

1. Step 1: Write the proportion equation
   37,690.76 : 52,009.57 = 21,774.87 : x
2. Step 2: Convert to fraction form
   37,690.76/52,009.57 = 21,774.87/x
3. Step 3: Cross multiply
   37,690.76x = 52,009.57 × 21,774.87
4. Step 4: Simplify right side
   37,690.76x = 1,132,501,571.07
5. Step 5: Solve for x
   x = 1,132,501,571.07/37,690.76
6. Step 6: Final answer
   x = 30,047.19