Finding the Fourth Proportional to 53,900.94, 80,429.82 and 48,297.18

Step by Step Solution

1. Step 1: Write the proportion equation
   53,900.94 : 80,429.82 = 48,297.18 : x
2. Step 2: Convert to fraction form
   53,900.94/80,429.82 = 48,297.18/x
3. Step 3: Cross multiply
   53,900.94x = 80,429.82 × 48,297.18
4. Step 4: Simplify right side
   53,900.94x = 3,884,533,493.91
5. Step 5: Solve for x
   x = 3,884,533,493.91/53,900.94
6. Step 6: Final answer
   x = 72,068.01