Finding the Fourth Proportional to 1,868,372.84, 2,803,443.78 and 1,111,709.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,372.84 : 2,803,443.78 = 1,111,709.72 : x
2. Step 2: Convert to fraction form
   1,868,372.84/2,803,443.78 = 1,111,709.72/x
3. Step 3: Cross multiply
   1,868,372.84x = 2,803,443.78 × 1,111,709.72
4. Step 4: Simplify right side
   1,868,372.84x = 3,116,615,699,699.54
5. Step 5: Solve for x
   x = 3,116,615,699,699.54/1,868,372.84
6. Step 6: Final answer
   x = 1,668,090.88