Finding the Fourth Proportional to 2,788,908.57, 4,185,132.57 and 1,191,483.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788,908.57 : 4,185,132.57 = 1,191,483.72 : x
2. Step 2: Convert to fraction form
   2,788,908.57/4,185,132.57 = 1,191,483.72/x
3. Step 3: Cross multiply
   2,788,908.57x = 4,185,132.57 × 1,191,483.72
4. Step 4: Simplify right side
   2,788,908.57x = 4,986,517,323,196.76
5. Step 5: Solve for x
   x = 4,986,517,323,196.76/2,788,908.57
6. Step 6: Final answer
   x = 1,787,981.64