Finding the Fourth Proportional to 47,557.80, 65,428.56 and 46,245.60

Step by Step Solution

1. Step 1: Write the proportion equation
   47,557.80 : 65,428.56 = 46,245.60 : x
2. Step 2: Convert to fraction form
   47,557.80/65,428.56 = 46,245.60/x
3. Step 3: Cross multiply
   47,557.80x = 65,428.56 × 46,245.60
4. Step 4: Simplify right side
   47,557.80x = 3,025,783,014.34
5. Step 5: Solve for x
   x = 3,025,783,014.34/47,557.80
6. Step 6: Final answer
   x = 63,623.28