Finding the Fourth Proportional to 1,787,667.62, 2,467,521.60 and 1,215,039.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,787,667.62 : 2,467,521.60 = 1,215,039.94 : x
2. Step 2: Convert to fraction form
   1,787,667.62/2,467,521.60 = 1,215,039.94/x
3. Step 3: Cross multiply
   1,787,667.62x = 2,467,521.60 × 1,215,039.94
4. Step 4: Simplify right side
   1,787,667.62x = 2,998,137,290,643.90
5. Step 5: Solve for x
   x = 2,998,137,290,643.90/1,787,667.62
6. Step 6: Final answer
   x = 1,677,122.34