Finding the Fourth Proportional to 307,507.46, 424,360.98 and 171,537.98

Step by Step Solution

1. Step 1: Write the proportion equation
   307,507.46 : 424,360.98 = 171,537.98 : x
2. Step 2: Convert to fraction form
   307,507.46/424,360.98 = 171,537.98/x
3. Step 3: Cross multiply
   307,507.46x = 424,360.98 × 171,537.98
4. Step 4: Simplify right side
   307,507.46x = 72,794,025,300.02
5. Step 5: Solve for x
   x = 72,794,025,300.02/307,507.46
6. Step 6: Final answer
   x = 236,722.79