Finding the Fourth Proportional to 72,158.04, 108,181.17 and 49,907.07

Step by Step Solution

1. Step 1: Write the proportion equation
   72,158.04 : 108,181.17 = 49,907.07 : x
2. Step 2: Convert to fraction form
   72,158.04/108,181.17 = 49,907.07/x
3. Step 3: Cross multiply
   72,158.04x = 108,181.17 × 49,907.07
4. Step 4: Simplify right side
   72,158.04x = 5,399,005,223.87
5. Step 5: Solve for x
   x = 5,399,005,223.87/72,158.04
6. Step 6: Final answer
   x = 74,821.95