Finding the Fourth Proportional to 105,146.10, 156,914.45 and 93,926.79

Step by Step Solution

1. Step 1: Write the proportion equation
   105,146.10 : 156,914.45 = 93,926.79 : x
2. Step 2: Convert to fraction form
   105,146.10/156,914.45 = 93,926.79/x
3. Step 3: Cross multiply
   105,146.10x = 156,914.45 × 93,926.79
4. Step 4: Simplify right side
   105,146.10x = 14,738,470,475.71
5. Step 5: Solve for x
   x = 14,738,470,475.71/105,146.10
6. Step 6: Final answer
   x = 140,171.35