Finding the Fourth Proportional to 1,584,981.17, 2,187,274.01 and 905,932.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,584,981.17 : 2,187,274.01 = 905,932.25 : x
2. Step 2: Convert to fraction form
   1,584,981.17/2,187,274.01 = 905,932.25/x
3. Step 3: Cross multiply
   1,584,981.17x = 2,187,274.01 × 905,932.25
4. Step 4: Simplify right side
   1,584,981.17x = 1,981,522,065,245.82
5. Step 5: Solve for x
   x = 1,981,522,065,245.82/1,584,981.17
6. Step 6: Final answer
   x = 1,250,186.50