Finding the Fourth Proportional to 1,868,370.84, 2,803,440.78 and 1,111,707.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,370.84 : 2,803,440.78 = 1,111,707.72 : x
2. Step 2: Convert to fraction form
   1,868,370.84/2,803,440.78 = 1,111,707.72/x
3. Step 3: Cross multiply
   1,868,370.84x = 2,803,440.78 × 1,111,707.72
4. Step 4: Simplify right side
   1,868,370.84x = 3,116,606,757,688.82
5. Step 5: Solve for x
   x = 3,116,606,757,688.82/1,868,370.84
6. Step 6: Final answer
   x = 1,668,087.88