Finding the Fourth Proportional to 1,905,288.39, 2,629,301.72 and 1,131,074.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,905,288.39 : 2,629,301.72 = 1,131,074.50 : x
2. Step 2: Convert to fraction form
   1,905,288.39/2,629,301.72 = 1,131,074.50/x
3. Step 3: Cross multiply
   1,905,288.39x = 2,629,301.72 × 1,131,074.50
4. Step 4: Simplify right side
   1,905,288.39x = 2,973,936,128,298.14
5. Step 5: Solve for x
   x = 2,973,936,128,298.14/1,905,288.39
6. Step 6: Final answer
   x = 1,560,885.03