Finding the Fourth Proportional to 52,477.10, 72,418.46 and 28,603.77

Step by Step Solution

1. Step 1: Write the proportion equation
   52,477.10 : 72,418.46 = 28,603.77 : x
2. Step 2: Convert to fraction form
   52,477.10/72,418.46 = 28,603.77/x
3. Step 3: Cross multiply
   52,477.10x = 72,418.46 × 28,603.77
4. Step 4: Simplify right side
   52,477.10x = 2,071,440,559.01
5. Step 5: Solve for x
   x = 2,071,440,559.01/52,477.10
6. Step 6: Final answer
   x = 39,473.23