Finding the Fourth Proportional to 692,990, 956,326.20 and 375,038

Step by Step Solution

1. Step 1: Write the proportion equation
   692,990 : 956,326.20 = 375,038 : x
2. Step 2: Convert to fraction form
   692,990/956,326.20 = 375,038/x
3. Step 3: Cross multiply
   692,990x = 956,326.20 × 375,038
4. Step 4: Simplify right side
   692,990x = 358,658,665,395.60
5. Step 5: Solve for x
   x = 358,658,665,395.60/692,990
6. Step 6: Final answer
   x = 517,552.44