Finding the Fourth Proportional to 37,777.67, 52,134.93 and 21,859.04

Step by Step Solution

1. Step 1: Write the proportion equation
   37,777.67 : 52,134.93 = 21,859.04 : x
2. Step 2: Convert to fraction form
   37,777.67/52,134.93 = 21,859.04/x
3. Step 3: Cross multiply
   37,777.67x = 52,134.93 × 21,859.04
4. Step 4: Simplify right side
   37,777.67x = 1,139,619,259.59
5. Step 5: Solve for x
   x = 1,139,619,259.59/37,777.67
6. Step 6: Final answer
   x = 30,166.48