Finding the Fourth Proportional to 2,778,686.50, 3,834,587.38 and 1,506,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,778,686.50 : 3,834,587.38 = 1,506,878.50 : x
2. Step 2: Convert to fraction form
   2,778,686.50/3,834,587.38 = 1,506,878.50/x
3. Step 3: Cross multiply
   2,778,686.50x = 3,834,587.38 × 1,506,878.50
4. Step 4: Simplify right side
   2,778,686.50x = 5,778,257,279,293.33
5. Step 5: Solve for x
   x = 5,778,257,279,293.33/2,778,686.50
6. Step 6: Final answer
   x = 2,079,492.34