Finding the Fourth Proportional to 1,105,673.22, 1,658,429.86 and 347,731.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105,673.22 : 1,658,429.86 = 347,731.50 : x
2. Step 2: Convert to fraction form
   1,105,673.22/1,658,429.86 = 347,731.50/x
3. Step 3: Cross multiply
   1,105,673.22x = 1,658,429.86 × 347,731.50
4. Step 4: Simplify right side
   1,105,673.22x = 576,688,302,862.59
5. Step 5: Solve for x
   x = 576,688,302,862.59/1,105,673.22
6. Step 6: Final answer
   x = 521,572.10