Finding the Fourth Proportional to 2,908,628.72, 4,363,142.42 and 988,758.68

Step by Step Solution

1. Step 1: Write the proportion equation
   2,908,628.72 : 4,363,142.42 = 988,758.68 : x
2. Step 2: Convert to fraction form
   2,908,628.72/4,363,142.42 = 988,758.68/x
3. Step 3: Cross multiply
   2,908,628.72x = 4,363,142.42 × 988,758.68
4. Step 4: Simplify right side
   2,908,628.72x = 4,314,094,939,851.21
5. Step 5: Solve for x
   x = 4,314,094,939,851.21/2,908,628.72
6. Step 6: Final answer
   x = 1,483,205.78