Finding the Fourth Proportional to 2,210,138.38, 3,049,959.18 and 1,230,070.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,210,138.38 : 3,049,959.18 = 1,230,070.78 : x
2. Step 2: Convert to fraction form
   2,210,138.38/3,049,959.18 = 1,230,070.78/x
3. Step 3: Cross multiply
   2,210,138.38x = 3,049,959.18 × 1,230,070.78
4. Step 4: Simplify right side
   2,210,138.38x = 3,751,665,667,510.76
5. Step 5: Solve for x
   x = 3,751,665,667,510.76/2,210,138.38
6. Step 6: Final answer
   x = 1,697,479.99