Finding the Fourth Proportional to 72,499.25, 100,092.71 and 47,392.49

Step by Step Solution

1. Step 1: Write the proportion equation
   72,499.25 : 100,092.71 = 47,392.49 : x
2. Step 2: Convert to fraction form
   72,499.25/100,092.71 = 47,392.49/x
3. Step 3: Cross multiply
   72,499.25x = 100,092.71 × 47,392.49
4. Step 4: Simplify right side
   72,499.25x = 4,743,643,126.46
5. Step 5: Solve for x
   x = 4,743,643,126.46/72,499.25
6. Step 6: Final answer
   x = 65,430.23