Finding the Fourth Proportional to 461,601, 637,031.39 and 260,397

Step by Step Solution

1. Step 1: Write the proportion equation
   461,601 : 637,031.39 = 260,397 : x
2. Step 2: Convert to fraction form
   461,601/637,031.39 = 260,397/x
3. Step 3: Cross multiply
   461,601x = 637,031.39 × 260,397
4. Step 4: Simplify right side
   461,601x = 165,881,061,559.85
5. Step 5: Solve for x
   x = 165,881,061,559.85/461,601
6. Step 6: Final answer
   x = 359,360.27