Finding the Fourth Proportional to 1,868,459.29, 2,578,473.83 and 1,009,019.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,459.29 : 2,578,473.83 = 1,009,019.55 : x
2. Step 2: Convert to fraction form
   1,868,459.29/2,578,473.83 = 1,009,019.55/x
3. Step 3: Cross multiply
   1,868,459.29x = 2,578,473.83 × 1,009,019.55
4. Step 4: Simplify right side
   1,868,459.29x = 2,601,730,503,633.38
5. Step 5: Solve for x
   x = 2,601,730,503,633.38/1,868,459.29
6. Step 6: Final answer
   x = 1,392,446.98