Finding the Fourth Proportional to 1,165,434.72, 1,747,986.01 and 366,695.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,165,434.72 : 1,747,986.01 = 366,695.51 : x
2. Step 2: Convert to fraction form
   1,165,434.72/1,747,986.01 = 366,695.51/x
3. Step 3: Cross multiply
   1,165,434.72x = 1,747,986.01 × 366,695.51
4. Step 4: Simplify right side
   1,165,434.72x = 640,978,621,409.82
5. Step 5: Solve for x
   x = 640,978,621,409.82/1,165,434.72
6. Step 6: Final answer
   x = 549,991.01