Finding the Fourth Proportional to 52,228.06, 72,073.61 and 28,354.53

Step by Step Solution

1. Step 1: Write the proportion equation
   52,228.06 : 72,073.61 = 28,354.53 : x
2. Step 2: Convert to fraction form
   52,228.06/72,073.61 = 28,354.53/x
3. Step 3: Cross multiply
   52,228.06x = 72,073.61 × 28,354.53
4. Step 4: Simplify right side
   52,228.06x = 2,043,612,834.81
5. Step 5: Solve for x
   x = 2,043,612,834.81/52,228.06
6. Step 6: Final answer
   x = 39,128.64