Finding the Fourth Proportional to 193,931.35, 290,840.52 and 75,574.55

Step by Step Solution

1. Step 1: Write the proportion equation
   193,931.35 : 290,840.52 = 75,574.55 : x
2. Step 2: Convert to fraction form
   193,931.35/290,840.52 = 75,574.55/x
3. Step 3: Cross multiply
   193,931.35x = 290,840.52 × 75,574.55
4. Step 4: Simplify right side
   193,931.35x = 21,980,142,431.27
5. Step 5: Solve for x
   x = 21,980,142,431.27/193,931.35
6. Step 6: Final answer
   x = 113,339.81