Finding the Fourth Proportional to 52,829.08, 72,905.61 and 28,956.22

Step by Step Solution

1. Step 1: Write the proportion equation
   52,829.08 : 72,905.61 = 28,956.22 : x
2. Step 2: Convert to fraction form
   52,829.08/72,905.61 = 28,956.22/x
3. Step 3: Cross multiply
   52,829.08x = 72,905.61 × 28,956.22
4. Step 4: Simplify right side
   52,829.08x = 2,111,070,882.39
5. Step 5: Solve for x
   x = 2,111,070,882.39/52,829.08
6. Step 6: Final answer
   x = 39,960.39