Finding the Fourth Proportional to 58,780.62, 88,488.72 and 53,549.25

Step by Step Solution

1. Step 1: Write the proportion equation
   58,780.62 : 88,488.72 = 53,549.25 : x
2. Step 2: Convert to fraction form
   58,780.62/88,488.72 = 53,549.25/x
3. Step 3: Cross multiply
   58,780.62x = 88,488.72 × 53,549.25
4. Step 4: Simplify right side
   58,780.62x = 4,738,504,589.46
5. Step 5: Solve for x
   x = 4,738,504,589.46/58,780.62
6. Step 6: Final answer
   x = 80,613.38