Finding the Fourth Proportional to 72,821.16, 109,059.30 and 46,445.94

Step by Step Solution

1. Step 1: Write the proportion equation
   72,821.16 : 109,059.30 = 46,445.94 : x
2. Step 2: Convert to fraction form
   72,821.16/109,059.30 = 46,445.94/x
3. Step 3: Cross multiply
   72,821.16x = 109,059.30 × 46,445.94
4. Step 4: Simplify right side
   72,821.16x = 5,065,361,704.24
5. Step 5: Solve for x
   x = 5,065,361,704.24/72,821.16
6. Step 6: Final answer
   x = 69,558.93