Finding the Fourth Proportional to 177,669.76, 245,154.72 and 106,078.72

Step by Step Solution

1. Step 1: Write the proportion equation
   177,669.76 : 245,154.72 = 106,078.72 : x
2. Step 2: Convert to fraction form
   177,669.76/245,154.72 = 106,078.72/x
3. Step 3: Cross multiply
   177,669.76x = 245,154.72 × 106,078.72
4. Step 4: Simplify right side
   177,669.76x = 26,005,698,899.56
5. Step 5: Solve for x
   x = 26,005,698,899.56/177,669.76
6. Step 6: Final answer
   x = 146,370.99