Finding the Fourth Proportional to 2,487,089.76, 3,732,347.76 and 867,867.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,487,089.76 : 3,732,347.76 = 867,867.72 : x
2. Step 2: Convert to fraction form
   2,487,089.76/3,732,347.76 = 867,867.72/x
3. Step 3: Cross multiply
   2,487,089.76x = 3,732,347.76 × 867,867.72
4. Step 4: Simplify right side
   2,487,089.76x = 3,239,184,140,718.31
5. Step 5: Solve for x
   x = 3,239,184,140,718.31/2,487,089.76
6. Step 6: Final answer
   x = 1,302,399.37