Finding the Fourth Proportional to 1,237,302.72, 1,707,597.60 and 693,530.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237,302.72 : 1,707,597.60 = 693,530.88 : x
2. Step 2: Convert to fraction form
   1,237,302.72/1,707,597.60 = 693,530.88/x
3. Step 3: Cross multiply
   1,237,302.72x = 1,707,597.60 × 693,530.88
4. Step 4: Simplify right side
   1,237,302.72x = 1,184,271,666,213.89
5. Step 5: Solve for x
   x = 1,184,271,666,213.89/1,237,302.72
6. Step 6: Final answer
   x = 957,139.79