Finding the Fourth Proportional to 2,320,238.76, 3,201,881.32 and 1,287,686.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,320,238.76 : 3,201,881.32 = 1,287,686.57 : x
2. Step 2: Convert to fraction form
   2,320,238.76/3,201,881.32 = 1,287,686.57/x
3. Step 3: Cross multiply
   2,320,238.76x = 3,201,881.32 × 1,287,686.57
4. Step 4: Simplify right side
   2,320,238.76x = 4,123,019,570,865.42
5. Step 5: Solve for x
   x = 4,123,019,570,865.42/2,320,238.76
6. Step 6: Final answer
   x = 1,776,980.74