Finding the Fourth Proportional to 249,095.31, 343,661.72 and 191,752.17

Step by Step Solution

1. Step 1: Write the proportion equation
   249,095.31 : 343,661.72 = 191,752.17 : x
2. Step 2: Convert to fraction form
   249,095.31/343,661.72 = 191,752.17/x
3. Step 3: Cross multiply
   249,095.31x = 343,661.72 × 191,752.17
4. Step 4: Simplify right side
   249,095.31x = 65,897,879,597.17
5. Step 5: Solve for x
   x = 65,897,879,597.17/249,095.31
6. Step 6: Final answer
   x = 264,548.86