Finding the Fourth Proportional to 2,166,745.87, 2,990,106.61 and 1,199,875.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,745.87 : 2,990,106.61 = 1,199,875.00 : x
2. Step 2: Convert to fraction form
   2,166,745.87/2,990,106.61 = 1,199,875.00/x
3. Step 3: Cross multiply
   2,166,745.87x = 2,990,106.61 × 1,199,875.00
4. Step 4: Simplify right side
   2,166,745.87x = 3,587,754,157,082.84
5. Step 5: Solve for x
   x = 3,587,754,157,082.84/2,166,745.87
6. Step 6: Final answer
   x = 1,655,826.00