Finding the Fourth Proportional to 105,459.86, 158,241.72 and 49,303.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,459.86 : 158,241.72 = 49,303.82 : x
2. Step 2: Convert to fraction form
   105,459.86/158,241.72 = 49,303.82/x
3. Step 3: Cross multiply
   105,459.86x = 158,241.72 × 49,303.82
4. Step 4: Simplify right side
   105,459.86x = 7,801,921,279.37
5. Step 5: Solve for x
   x = 7,801,921,279.37/105,459.86
6. Step 6: Final answer
   x = 73,980.01