Finding the Fourth Proportional to 78,519.42, 108,384.99 and 46,688.25

Step by Step Solution

1. Step 1: Write the proportion equation
   78,519.42 : 108,384.99 = 46,688.25 : x
2. Step 2: Convert to fraction form
   78,519.42/108,384.99 = 46,688.25/x
3. Step 3: Cross multiply
   78,519.42x = 108,384.99 × 46,688.25
4. Step 4: Simplify right side
   78,519.42x = 5,060,305,509.37
5. Step 5: Solve for x
   x = 5,060,305,509.37/78,519.42
6. Step 6: Final answer
   x = 64,446.55