Finding the Fourth Proportional to 1,090,355.46, 1,635,868.06 and 558,250.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090,355.46 : 1,635,868.06 = 558,250.16 : x
2. Step 2: Convert to fraction form
   1,090,355.46/1,635,868.06 = 558,250.16/x
3. Step 3: Cross multiply
   1,090,355.46x = 1,635,868.06 × 558,250.16
4. Step 4: Simplify right side
   1,090,355.46x = 913,223,606,233.89
5. Step 5: Solve for x
   x = 913,223,606,233.89/1,090,355.46
6. Step 6: Final answer
   x = 837,546.69