Finding the Fourth Proportional to 693,142, 956,538.84 and 375,190

Step by Step Solution

1. Step 1: Write the proportion equation
   693,142 : 956,538.84 = 375,190 : x
2. Step 2: Convert to fraction form
   693,142/956,538.84 = 375,190/x
3. Step 3: Cross multiply
   693,142x = 956,538.84 × 375,190
4. Step 4: Simplify right side
   693,142x = 358,883,807,379.60
5. Step 5: Solve for x
   x = 358,883,807,379.60/693,142
6. Step 6: Final answer
   x = 517,763.76