Finding the Fourth Proportional to 3,619,518.72, 5,428,072.49 and 1,459,986.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619,518.72 : 5,428,072.49 = 1,459,986.07 : x
2. Step 2: Convert to fraction form
   3,619,518.72/5,428,072.49 = 1,459,986.07/x
3. Step 3: Cross multiply
   3,619,518.72x = 5,428,072.49 × 1,459,986.07
4. Step 4: Simplify right side
   3,619,518.72x = 7,924,910,219,870.16
5. Step 5: Solve for x
   x = 7,924,910,219,870.16/3,619,518.72
6. Step 6: Final answer
   x = 2,189,492.81