Finding the Fourth Proportional to 72,019.47, 99,370.95 and 41,787.27

Step by Step Solution

1. Step 1: Write the proportion equation
   72,019.47 : 99,370.95 = 41,787.27 : x
2. Step 2: Convert to fraction form
   72,019.47/99,370.95 = 41,787.27/x
3. Step 3: Cross multiply
   72,019.47x = 99,370.95 × 41,787.27
4. Step 4: Simplify right side
   72,019.47x = 4,152,440,717.81
5. Step 5: Solve for x
   x = 4,152,440,717.81/72,019.47
6. Step 6: Final answer
   x = 57,657.20