Finding the Fourth Proportional to 1,090,300.88, 1,504,603.72 and 606,858.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090,300.88 : 1,504,603.72 = 606,858.32 : x
2. Step 2: Convert to fraction form
   1,090,300.88/1,504,603.72 = 606,858.32/x
3. Step 3: Cross multiply
   1,090,300.88x = 1,504,603.72 × 606,858.32
4. Step 4: Simplify right side
   1,090,300.88x = 913,081,285,784.95
5. Step 5: Solve for x
   x = 913,081,285,784.95/1,090,300.88
6. Step 6: Final answer
   x = 837,458.08