Finding the Fourth Proportional to 105,101.56, 145,044.51 and 59,787.54

Step by Step Solution

1. Step 1: Write the proportion equation
   105,101.56 : 145,044.51 = 59,787.54 : x
2. Step 2: Convert to fraction form
   105,101.56/145,044.51 = 59,787.54/x
3. Step 3: Cross multiply
   105,101.56x = 145,044.51 × 59,787.54
4. Step 4: Simplify right side
   105,101.56x = 8,671,854,443.41
5. Step 5: Solve for x
   x = 8,671,854,443.41/105,101.56
6. Step 6: Final answer
   x = 82,509.28