Finding the Fourth Proportional to 72,987.39, 100,722.42 and 41,156.06

Step by Step Solution

1. Step 1: Write the proportion equation
   72,987.39 : 100,722.42 = 41,156.06 : x
2. Step 2: Convert to fraction form
   72,987.39/100,722.42 = 41,156.06/x
3. Step 3: Cross multiply
   72,987.39x = 100,722.42 × 41,156.06
4. Step 4: Simplify right side
   72,987.39x = 4,145,337,914.16
5. Step 5: Solve for x
   x = 4,145,337,914.16/72,987.39
6. Step 6: Final answer
   x = 56,795.26