Finding the Fourth Proportional to 72,069.86, 99,477.42 and 41,868.74

Step by Step Solution

1. Step 1: Write the proportion equation
   72,069.86 : 99,477.42 = 41,868.74 : x
2. Step 2: Convert to fraction form
   72,069.86/99,477.42 = 41,868.74/x
3. Step 3: Cross multiply
   72,069.86x = 99,477.42 × 41,868.74
4. Step 4: Simplify right side
   72,069.86x = 4,164,994,233.85
5. Step 5: Solve for x
   x = 4,164,994,233.85/72,069.86
6. Step 6: Final answer
   x = 57,791.07