Finding the Fourth Proportional to 146,142.32, 219,219.86 and 46,309.87

Step by Step Solution

1. Step 1: Write the proportion equation
   146,142.32 : 219,219.86 = 46,309.87 : x
2. Step 2: Convert to fraction form
   146,142.32/219,219.86 = 46,309.87/x
3. Step 3: Cross multiply
   146,142.32x = 219,219.86 × 46,309.87
4. Step 4: Simplify right side
   146,142.32x = 10,152,043,218.02
5. Step 5: Solve for x
   x = 10,152,043,218.02/146,142.32
6. Step 6: Final answer
   x = 69,466.83