Finding the Fourth Proportional to 105,078.47, 156,827.85 and 96,155.51

Step by Step Solution

1. Step 1: Write the proportion equation
   105,078.47 : 156,827.85 = 96,155.51 : x
2. Step 2: Convert to fraction form
   105,078.47/156,827.85 = 96,155.51/x
3. Step 3: Cross multiply
   105,078.47x = 156,827.85 × 96,155.51
4. Step 4: Simplify right side
   105,078.47x = 15,079,860,754.23
5. Step 5: Solve for x
   x = 15,079,860,754.23/105,078.47
6. Step 6: Final answer
   x = 143,510.48