Finding the Fourth Proportional to 1,237,242.72, 1,707,514.80 and 693,470.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,237,242.72 : 1,707,514.80 = 693,470.88 : x
2. Step 2: Convert to fraction form
   1,237,242.72/1,707,514.80 = 693,470.88/x
3. Step 3: Cross multiply
   1,237,242.72x = 1,707,514.80 × 693,470.88
4. Step 4: Simplify right side
   1,237,242.72x = 1,184,111,790,969.02
5. Step 5: Solve for x
   x = 1,184,111,790,969.02/1,237,242.72
6. Step 6: Final answer
   x = 957,056.99