Finding the Fourth Proportional to 1,097,303.47, 1,645,788.88 and 298,647.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,097,303.47 : 1,645,788.88 = 298,647.25 : x
2. Step 2: Convert to fraction form
   1,097,303.47/1,645,788.88 = 298,647.25/x
3. Step 3: Cross multiply
   1,097,303.47x = 1,645,788.88 × 298,647.25
4. Step 4: Simplify right side
   1,097,303.47x = 491,510,323,092.58
5. Step 5: Solve for x
   x = 491,510,323,092.58/1,097,303.47
6. Step 6: Final answer
   x = 447,925.61