Finding the Fourth Proportional to 692,741.63, 956,142.83 and 406,353.98

Step by Step Solution

1. Step 1: Write the proportion equation
   692,741.63 : 956,142.83 = 406,353.98 : x
2. Step 2: Convert to fraction form
   692,741.63/956,142.83 = 406,353.98/x
3. Step 3: Cross multiply
   692,741.63x = 956,142.83 × 406,353.98
4. Step 4: Simplify right side
   692,741.63x = 388,532,444,418.96
5. Step 5: Solve for x
   x = 388,532,444,418.96/692,741.63
6. Step 6: Final answer
   x = 560,861.98