Finding the Fourth Proportional to 1,103,128.42, 1,653,161.72 and 502,621.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,103,128.42 : 1,653,161.72 = 502,621.96 : x
2. Step 2: Convert to fraction form
   1,103,128.42/1,653,161.72 = 502,621.96/x
3. Step 3: Cross multiply
   1,103,128.42x = 1,653,161.72 × 502,621.96
4. Step 4: Simplify right side
   1,103,128.42x = 830,915,383,903.37
5. Step 5: Solve for x
   x = 830,915,383,903.37/1,103,128.42
6. Step 6: Final answer
   x = 753,235.41