Finding the Fourth Proportional to 193,667.25, 290,435.55 and 73,695.72

Step by Step Solution

1. Step 1: Write the proportion equation
   193,667.25 : 290,435.55 = 73,695.72 : x
2. Step 2: Convert to fraction form
   193,667.25/290,435.55 = 73,695.72/x
3. Step 3: Cross multiply
   193,667.25x = 290,435.55 × 73,695.72
4. Step 4: Simplify right side
   193,667.25x = 21,403,856,970.85
5. Step 5: Solve for x
   x = 21,403,856,970.85/193,667.25
6. Step 6: Final answer
   x = 110,518.72