Finding the Fourth Proportional to 52,437.72, 72,361.83 and 28,564.59

Step by Step Solution

1. Step 1: Write the proportion equation
   52,437.72 : 72,361.83 = 28,564.59 : x
2. Step 2: Convert to fraction form
   52,437.72/72,361.83 = 28,564.59/x
3. Step 3: Cross multiply
   52,437.72x = 72,361.83 × 28,564.59
4. Step 4: Simplify right side
   52,437.72x = 2,066,985,643.79
5. Step 5: Solve for x
   x = 2,066,985,643.79/52,437.72
6. Step 6: Final answer
   x = 39,417.92