Finding the Fourth Proportional to 105,644.93, 158,110.18 and 102,801.83

Step by Step Solution

1. Step 1: Write the proportion equation
   105,644.93 : 158,110.18 = 102,801.83 : x
2. Step 2: Convert to fraction form
   105,644.93/158,110.18 = 102,801.83/x
3. Step 3: Cross multiply
   105,644.93x = 158,110.18 × 102,801.83
4. Step 4: Simplify right side
   105,644.93x = 16,254,015,845.63
5. Step 5: Solve for x
   x = 16,254,015,845.63/105,644.93
6. Step 6: Final answer
   x = 153,855.14