Finding the Fourth Proportional to 53,506.84, 80,265.56 and 19,781.69

Step by Step Solution

1. Step 1: Write the proportion equation
   53,506.84 : 80,265.56 = 19,781.69 : x
2. Step 2: Convert to fraction form
   53,506.84/80,265.56 = 19,781.69/x
3. Step 3: Cross multiply
   53,506.84x = 80,265.56 × 19,781.69
4. Step 4: Simplify right side
   53,506.84x = 1,587,788,073.72
5. Step 5: Solve for x
   x = 1,587,788,073.72/53,506.84
6. Step 6: Final answer
   x = 29,674.49