Finding the Fourth Proportional to 2,487,838.05, 3,433,240.89 and 1,385,284.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487,838.05 : 3,433,240.89 = 1,385,284.95 : x
2. Step 2: Convert to fraction form
   2,487,838.05/3,433,240.89 = 1,385,284.95/x
3. Step 3: Cross multiply
   2,487,838.05x = 3,433,240.89 × 1,385,284.95
4. Step 4: Simplify right side
   2,487,838.05x = 4,756,016,934,641.61
5. Step 5: Solve for x
   x = 4,756,016,934,641.61/2,487,838.05
6. Step 6: Final answer
   x = 1,911,706.81