Finding the Fourth Proportional to 105,839.02, 158,782.74 and 45,877.53

Step by Step Solution

1. Step 1: Write the proportion equation
   105,839.02 : 158,782.74 = 45,877.53 : x
2. Step 2: Convert to fraction form
   105,839.02/158,782.74 = 45,877.53/x
3. Step 3: Cross multiply
   105,839.02x = 158,782.74 × 45,877.53
4. Step 4: Simplify right side
   105,839.02x = 7,284,559,917.83
5. Step 5: Solve for x
   x = 7,284,559,917.83/105,839.02
6. Step 6: Final answer
   x = 68,826.79