Finding the Fourth Proportional to 163,620.96, 245,434.52 and 51,298.69

Step by Step Solution

1. Step 1: Write the proportion equation
   163,620.96 : 245,434.52 = 51,298.69 : x
2. Step 2: Convert to fraction form
   163,620.96/245,434.52 = 51,298.69/x
3. Step 3: Cross multiply
   163,620.96x = 245,434.52 × 51,298.69
4. Step 4: Simplify right side
   163,620.96x = 12,590,469,805.50
5. Step 5: Solve for x
   x = 12,590,469,805.50/163,620.96
6. Step 6: Final answer
   x = 76,949.00