Finding the Fourth Proportional to 35,854.93, 53,781.18 and 13,667.50

Step by Step Solution

1. Step 1: Write the proportion equation
   35,854.93 : 53,781.18 = 13,667.50 : x
2. Step 2: Convert to fraction form
   35,854.93/53,781.18 = 13,667.50/x
3. Step 3: Cross multiply
   35,854.93x = 53,781.18 × 13,667.50
4. Step 4: Simplify right side
   35,854.93x = 735,054,277.65
5. Step 5: Solve for x
   x = 735,054,277.65/35,854.93
6. Step 6: Final answer
   x = 20,500.79