Finding the Fourth Proportional to 95,819.94, 142,767.05 and 90,454.50

Step by Step Solution

1. Step 1: Write the proportion equation
   95,819.94 : 142,767.05 = 90,454.50 : x
2. Step 2: Convert to fraction form
   95,819.94/142,767.05 = 90,454.50/x
3. Step 3: Cross multiply
   95,819.94x = 142,767.05 × 90,454.50
4. Step 4: Simplify right side
   95,819.94x = 12,913,921,671.95
5. Step 5: Solve for x
   x = 12,913,921,671.95/95,819.94
6. Step 6: Final answer
   x = 134,772.80