Finding the Fourth Proportional to 52,530.49, 72,492.02 and 28,657.10

Step by Step Solution

1. Step 1: Write the proportion equation
   52,530.49 : 72,492.02 = 28,657.10 : x
2. Step 2: Convert to fraction form
   52,530.49/72,492.02 = 28,657.10/x
3. Step 3: Cross multiply
   52,530.49x = 72,492.02 × 28,657.10
4. Step 4: Simplify right side
   52,530.49x = 2,077,410,703.88
5. Step 5: Solve for x
   x = 2,077,410,703.88/52,530.49
6. Step 6: Final answer
   x = 39,546.76