Finding the Fourth Proportional to 2,167,450.91, 2,991,082.52 and 1,200,643.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167,450.91 : 2,991,082.52 = 1,200,643.82 : x
2. Step 2: Convert to fraction form
   2,167,450.91/2,991,082.52 = 1,200,643.82/x
3. Step 3: Cross multiply
   2,167,450.91x = 2,991,082.52 × 1,200,643.82
4. Step 4: Simplify right side
   2,167,450.91x = 3,591,224,736,744.81
5. Step 5: Solve for x
   x = 3,591,224,736,744.81/2,167,450.91
6. Step 6: Final answer
   x = 1,656,888.62