Finding the Fourth Proportional to 1,672,087.77, 2,507,489.89 and 711,934.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,672,087.77 : 2,507,489.89 = 711,934.63 : x
2. Step 2: Convert to fraction form
   1,672,087.77/2,507,489.89 = 711,934.63/x
3. Step 3: Cross multiply
   1,672,087.77x = 2,507,489.89 × 711,934.63
4. Step 4: Simplify right side
   1,672,087.77x = 1,785,168,887,065.89
5. Step 5: Solve for x
   x = 1,785,168,887,065.89/1,672,087.77
6. Step 6: Final answer
   x = 1,067,628.70