Finding the Fourth Proportional to 707,105.58, 976,293.88 and 661,933.10

Step by Step Solution

1. Step 1: Write the proportion equation
   707,105.58 : 976,293.88 = 661,933.10 : x
2. Step 2: Convert to fraction form
   707,105.58/976,293.88 = 661,933.10/x
3. Step 3: Cross multiply
   707,105.58x = 976,293.88 × 661,933.10
4. Step 4: Simplify right side
   707,105.58x = 646,241,234,499.43
5. Step 5: Solve for x
   x = 646,241,234,499.43/707,105.58
6. Step 6: Final answer
   x = 913,924.67