Finding the Fourth Proportional to 1,043,742.51, 1,565,120.34 and 404,345.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,043,742.51 : 1,565,120.34 = 404,345.79 : x
2. Step 2: Convert to fraction form
   1,043,742.51/1,565,120.34 = 404,345.79/x
3. Step 3: Cross multiply
   1,043,742.51x = 1,565,120.34 × 404,345.79
4. Step 4: Simplify right side
   1,043,742.51x = 632,849,820,322.37
5. Step 5: Solve for x
   x = 632,849,820,322.37/1,043,742.51
6. Step 6: Final answer
   x = 606,327.53