Finding the Fourth Proportional to 78,470, 108,280.52 and 46,632.76

Step by Step Solution

1. Step 1: Write the proportion equation
   78,470 : 108,280.52 = 46,632.76 : x
2. Step 2: Convert to fraction form
   78,470/108,280.52 = 46,632.76/x
3. Step 3: Cross multiply
   78,470x = 108,280.52 × 46,632.76
4. Step 4: Simplify right side
   78,470x = 5,049,419,501.84
5. Step 5: Solve for x
   x = 5,049,419,501.84/78,470
6. Step 6: Final answer
   x = 64,348.41