Finding the Fourth Proportional to 53,285.61, 79,926.52 and 13,304.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,285.61 : 79,926.52 = 13,304.82 : x
2. Step 2: Convert to fraction form
   53,285.61/79,926.52 = 13,304.82/x
3. Step 3: Cross multiply
   53,285.61x = 79,926.52 × 13,304.82
4. Step 4: Simplify right side
   53,285.61x = 1,063,407,961.83
5. Step 5: Solve for x
   x = 1,063,407,961.83/53,285.61
6. Step 6: Final answer
   x = 19,956.76