Finding the Fourth Proportional to 293,084.64, 404,459.52 and 172,228.56

Step by Step Solution

1. Step 1: Write the proportion equation
   293,084.64 : 404,459.52 = 172,228.56 : x
2. Step 2: Convert to fraction form
   293,084.64/404,459.52 = 172,228.56/x
3. Step 3: Cross multiply
   293,084.64x = 404,459.52 × 172,228.56
4. Step 4: Simplify right side
   293,084.64x = 69,659,480,707.89
5. Step 5: Solve for x
   x = 69,659,480,707.89/293,084.64
6. Step 6: Final answer
   x = 237,677.01