Finding the Fourth Proportional to 692,978, 956,309.64 and 375,026

Step by Step Solution

1. Step 1: Write the proportion equation
   692,978 : 956,309.64 = 375,026 : x
2. Step 2: Convert to fraction form
   692,978/956,309.64 = 375,026/x
3. Step 3: Cross multiply
   692,978x = 956,309.64 × 375,026
4. Step 4: Simplify right side
   692,978x = 358,640,979,050.64
5. Step 5: Solve for x
   x = 358,640,979,050.64/692,978
6. Step 6: Final answer
   x = 517,535.88