Finding the Fourth Proportional to 1,184,802.22, 1,635,022.15 and 640,936.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,184,802.22 : 1,635,022.15 = 640,936.72 : x
2. Step 2: Convert to fraction form
   1,184,802.22/1,635,022.15 = 640,936.72/x
3. Step 3: Cross multiply
   1,184,802.22x = 1,635,022.15 × 640,936.72
4. Step 4: Simplify right side
   1,184,802.22x = 1,047,945,733,948.35
5. Step 5: Solve for x
   x = 1,047,945,733,948.35/1,184,802.22
6. Step 6: Final answer
   x = 884,490.02