Finding the Fourth Proportional to 2,113,569.99, 3,166,274.75 and 1,261,322.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,113,569.99 : 3,166,274.75 = 1,261,322.69 : x
2. Step 2: Convert to fraction form
   2,113,569.99/3,166,274.75 = 1,261,322.69/x
3. Step 3: Cross multiply
   2,113,569.99x = 3,166,274.75 × 1,261,322.69
4. Step 4: Simplify right side
   2,113,569.99x = 3,993,694,162,811.09
5. Step 5: Solve for x
   x = 3,993,694,162,811.09/2,113,569.99
6. Step 6: Final answer
   x = 1,889,549.05