Finding the Fourth Proportional to 42,852.22, 59,156.27 and 28,535.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,852.22 : 59,156.27 = 28,535.88 : x
2. Step 2: Convert to fraction form
   42,852.22/59,156.27 = 28,535.88/x
3. Step 3: Cross multiply
   42,852.22x = 59,156.27 × 28,535.88
4. Step 4: Simplify right side
   42,852.22x = 1,688,076,221.97
5. Step 5: Solve for x
   x = 1,688,076,221.97/42,852.22
6. Step 6: Final answer
   x = 39,392.97