Finding the Fourth Proportional to 52,853.50, 72,944.31 and 30,497.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,853.50 : 72,944.31 = 30,497.50 : x
2. Step 2: Convert to fraction form
   52,853.50/72,944.31 = 30,497.50/x
3. Step 3: Cross multiply
   52,853.50x = 72,944.31 × 30,497.50
4. Step 4: Simplify right side
   52,853.50x = 2,224,619,094.23
5. Step 5: Solve for x
   x = 2,224,619,094.23/52,853.50
6. Step 6: Final answer
   x = 42,090.29