Finding the Fourth Proportional to 693,386, 956,872.68 and 375,434

Step by Step Solution

1. Step 1: Write the proportion equation
   693,386 : 956,872.68 = 375,434 : x
2. Step 2: Convert to fraction form
   693,386/956,872.68 = 375,434/x
3. Step 3: Cross multiply
   693,386x = 956,872.68 × 375,434
4. Step 4: Simplify right side
   693,386x = 359,242,537,743.12
5. Step 5: Solve for x
   x = 359,242,537,743.12/693,386
6. Step 6: Final answer
   x = 518,098.92