Finding the Fourth Proportional to 216,667.31, 325,037.27 and 74,506.84

Step by Step Solution

1. Step 1: Write the proportion equation
   216,667.31 : 325,037.27 = 74,506.84 : x
2. Step 2: Convert to fraction form
   216,667.31/325,037.27 = 74,506.84/x
3. Step 3: Cross multiply
   216,667.31x = 325,037.27 × 74,506.84
4. Step 4: Simplify right side
   216,667.31x = 24,217,499,869.93
5. Step 5: Solve for x
   x = 24,217,499,869.93/216,667.31
6. Step 6: Final answer
   x = 111,772.74