Finding the Fourth Proportional to 105,887.71, 158,784.93 and 49,743.77

Step by Step Solution

1. Step 1: Write the proportion equation
   105,887.71 : 158,784.93 = 49,743.77 : x
2. Step 2: Convert to fraction form
   105,887.71/158,784.93 = 49,743.77/x
3. Step 3: Cross multiply
   105,887.71x = 158,784.93 × 49,743.77
4. Step 4: Simplify right side
   105,887.71x = 7,898,561,037.39
5. Step 5: Solve for x
   x = 7,898,561,037.39/105,887.71
6. Step 6: Final answer
   x = 74,593.75