Finding the Fourth Proportional to 46,420.73, 64,061.39 and 25,200

Step by Step Solution

1. Step 1: Write the proportion equation
   46,420.73 : 64,061.39 = 25,200 : x
2. Step 2: Convert to fraction form
   46,420.73/64,061.39 = 25,200/x
3. Step 3: Cross multiply
   46,420.73x = 64,061.39 × 25,200
4. Step 4: Simplify right side
   46,420.73x = 1,614,347,091
5. Step 5: Solve for x
   x = 1,614,347,091/46,420.73
6. Step 6: Final answer
   x = 34,776.42