Finding the Fourth Proportional to 1,751,978.72, 2,417,708.04 and 988,278.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,751,978.72 : 2,417,708.04 = 988,278.32 : x
2. Step 2: Convert to fraction form
   1,751,978.72/2,417,708.04 = 988,278.32/x
3. Step 3: Cross multiply
   1,751,978.72x = 2,417,708.04 × 988,278.32
4. Step 4: Simplify right side
   1,751,978.72x = 2,389,368,440,021.69
5. Step 5: Solve for x
   x = 2,389,368,440,021.69/1,751,978.72
6. Step 6: Final answer
   x = 1,363,811.34