Finding the Fourth Proportional to 1,527,520.14, 2,107,978.61 and 839,236.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,527,520.14 : 2,107,978.61 = 839,236.37 : x
2. Step 2: Convert to fraction form
   1,527,520.14/2,107,978.61 = 839,236.37/x
3. Step 3: Cross multiply
   1,527,520.14x = 2,107,978.61 × 839,236.37
4. Step 4: Simplify right side
   1,527,520.14x = 1,769,092,301,957.97
5. Step 5: Solve for x
   x = 1,769,092,301,957.97/1,527,520.14
6. Step 6: Final answer
   x = 1,158,146.63