Finding the Fourth Proportional to 1,408,350.72, 1,943,573.76 and 1,006,901.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,408,350.72 : 1,943,573.76 = 1,006,901.76 : x
2. Step 2: Convert to fraction form
   1,408,350.72/1,943,573.76 = 1,006,901.76/x
3. Step 3: Cross multiply
   1,408,350.72x = 1,943,573.76 × 1,006,901.76
4. Step 4: Simplify right side
   1,408,350.72x = 1,956,987,839,633.82
5. Step 5: Solve for x
   x = 1,956,987,839,633.82/1,408,350.72
6. Step 6: Final answer
   x = 1,389,560.01