Finding the Fourth Proportional to 105,109.35, 157,774.98 and 49,003.57

Step by Step Solution

1. Step 1: Write the proportion equation
   105,109.35 : 157,774.98 = 49,003.57 : x
2. Step 2: Convert to fraction form
   105,109.35/157,774.98 = 49,003.57/x
3. Step 3: Cross multiply
   105,109.35x = 157,774.98 × 49,003.57
4. Step 4: Simplify right side
   105,109.35x = 7,731,537,276.68
5. Step 5: Solve for x
   x = 7,731,537,276.68/105,109.35
6. Step 6: Final answer
   x = 73,557.08