Finding the Fourth Proportional to 67,978.08, 93,835.01 and 58,379.42

Step by Step Solution

1. Step 1: Write the proportion equation
   67,978.08 : 93,835.01 = 58,379.42 : x
2. Step 2: Convert to fraction form
   67,978.08/93,835.01 = 58,379.42/x
3. Step 3: Cross multiply
   67,978.08x = 93,835.01 × 58,379.42
4. Step 4: Simplify right side
   67,978.08x = 5,478,033,840.03
5. Step 5: Solve for x
   x = 5,478,033,840.03/67,978.08
6. Step 6: Final answer
   x = 80,585.30