Finding the Fourth Proportional to 52,736.16, 72,775.88 and 28,862.84

Step by Step Solution

1. Step 1: Write the proportion equation
   52,736.16 : 72,775.88 = 28,862.84 : x
2. Step 2: Convert to fraction form
   52,736.16/72,775.88 = 28,862.84/x
3. Step 3: Cross multiply
   52,736.16x = 72,775.88 × 28,862.84
4. Step 4: Simplify right side
   52,736.16x = 2,100,518,580.30
5. Step 5: Solve for x
   x = 2,100,518,580.30/52,736.16
6. Step 6: Final answer
   x = 39,830.71