Finding the Fourth Proportional to 1,184,795.33, 1,635,012.61 and 640,929.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184,795.33 : 1,635,012.61 = 640,929.77 : x
2. Step 2: Convert to fraction form
   1,184,795.33/1,635,012.61 = 640,929.77/x
3. Step 3: Cross multiply
   1,184,795.33x = 1,635,012.61 × 640,929.77
4. Step 4: Simplify right side
   1,184,795.33x = 1,047,928,250,384.54
5. Step 5: Solve for x
   x = 1,047,928,250,384.54/1,184,795.33
6. Step 6: Final answer
   x = 884,480.40