Finding the Fourth Proportional to 146,499.92, 219,677.18 and 46,647.12

Step by Step Solution

1. Step 1: Write the proportion equation
   146,499.92 : 219,677.18 = 46,647.12 : x
2. Step 2: Convert to fraction form
   146,499.92/219,677.18 = 46,647.12/x
3. Step 3: Cross multiply
   146,499.92x = 219,677.18 × 46,647.12
4. Step 4: Simplify right side
   146,499.92x = 10,247,307,776.72
5. Step 5: Solve for x
   x = 10,247,307,776.72/146,499.92
6. Step 6: Final answer
   x = 69,947.53