Finding the Fourth Proportional to 193,399.13, 290,100.69 and 58,464.31

Step by Step Solution

1. Step 1: Write the proportion equation
   193,399.13 : 290,100.69 = 58,464.31 : x
2. Step 2: Convert to fraction form
   193,399.13/290,100.69 = 58,464.31/x
3. Step 3: Cross multiply
   193,399.13x = 290,100.69 × 58,464.31
4. Step 4: Simplify right side
   193,399.13x = 16,960,536,671.37
5. Step 5: Solve for x
   x = 16,960,536,671.37/193,399.13
6. Step 6: Final answer
   x = 87,697.07