Finding the Fourth Proportional to 1,002,361.64, 1,499,950.79 and 867,889.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,361.64 : 1,499,950.79 = 867,889.63 : x
2. Step 2: Convert to fraction form
   1,002,361.64/1,499,950.79 = 867,889.63/x
3. Step 3: Cross multiply
   1,002,361.64x = 1,499,950.79 × 867,889.63
4. Step 4: Simplify right side
   1,002,361.64x = 1,301,791,728,061.98
5. Step 5: Solve for x
   x = 1,301,791,728,061.98/1,002,361.64
6. Step 6: Final answer
   x = 1,298,724.60