Finding the Fourth Proportional to 52,518.74, 72,475.81 and 28,645.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,518.74 : 72,475.81 = 28,645.34 : x
2. Step 2: Convert to fraction form
   52,518.74/72,475.81 = 28,645.34/x
3. Step 3: Cross multiply
   52,518.74x = 72,475.81 × 28,645.34
4. Step 4: Simplify right side
   52,518.74x = 2,076,094,219.23
5. Step 5: Solve for x
   x = 2,076,094,219.23/52,518.74
6. Step 6: Final answer
   x = 39,530.54