Finding the Fourth Proportional to 58,665.93, 87,855.37 and 52,979.74

Step by Step Solution

1. Step 1: Write the proportion equation
   58,665.93 : 87,855.37 = 52,979.74 : x
2. Step 2: Convert to fraction form
   58,665.93/87,855.37 = 52,979.74/x
3. Step 3: Cross multiply
   58,665.93x = 87,855.37 × 52,979.74
4. Step 4: Simplify right side
   58,665.93x = 4,654,554,353.38
5. Step 5: Solve for x
   x = 4,654,554,353.38/58,665.93
6. Step 6: Final answer
   x = 79,339.99