Finding the Fourth Proportional to 52,801.43, 72,866.03 and 28,602.45

Step by Step Solution

1. Step 1: Write the proportion equation
   52,801.43 : 72,866.03 = 28,602.45 : x
2. Step 2: Convert to fraction form
   52,801.43/72,866.03 = 28,602.45/x
3. Step 3: Cross multiply
   52,801.43x = 72,866.03 × 28,602.45
4. Step 4: Simplify right side
   52,801.43x = 2,084,146,979.77
5. Step 5: Solve for x
   x = 2,084,146,979.77/52,801.43
6. Step 6: Final answer
   x = 39,471.41