Finding the Fourth Proportional to 53,901.94, 80,431.31 and 48,298.18

Step by Step Solution

1. Step 1: Write the proportion equation
   53,901.94 : 80,431.31 = 48,298.18 : x
2. Step 2: Convert to fraction form
   53,901.94/80,431.31 = 48,298.18/x
3. Step 3: Cross multiply
   53,901.94x = 80,431.31 × 48,298.18
4. Step 4: Simplify right side
   53,901.94x = 3,884,685,888.02
5. Step 5: Solve for x
   x = 3,884,685,888.02/53,901.94
6. Step 6: Final answer
   x = 72,069.50