Finding the Fourth Proportional to 47,784.48, 65,912.04 and 30,810.48

Step by Step Solution

1. Step 1: Write the proportion equation
   47,784.48 : 65,912.04 = 30,810.48 : x
2. Step 2: Convert to fraction form
   47,784.48/65,912.04 = 30,810.48/x
3. Step 3: Cross multiply
   47,784.48x = 65,912.04 × 30,810.48
4. Step 4: Simplify right side
   47,784.48x = 2,030,781,590.18
5. Step 5: Solve for x
   x = 2,030,781,590.18/47,784.48
6. Step 6: Final answer
   x = 42,498.77