Finding the Fourth Proportional to 53,904.56, 80,807.16 and 49,476.56

Step by Step Solution

1. Step 1: Write the proportion equation
   53,904.56 : 80,807.16 = 49,476.56 : x
2. Step 2: Convert to fraction form
   53,904.56/80,807.16 = 49,476.56/x
3. Step 3: Cross multiply
   53,904.56x = 80,807.16 × 49,476.56
4. Step 4: Simplify right side
   53,904.56x = 3,998,060,300.17
5. Step 5: Solve for x
   x = 3,998,060,300.17/53,904.56
6. Step 6: Final answer
   x = 74,169.24