Finding the Fourth Proportional to 1,538,624.18, 2,123,307.83 and 840,919.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,538,624.18 : 2,123,307.83 = 840,919.03 : x
2. Step 2: Convert to fraction form
   1,538,624.18/2,123,307.83 = 840,919.03/x
3. Step 3: Cross multiply
   1,538,624.18x = 2,123,307.83 × 840,919.03
4. Step 4: Simplify right side
   1,538,624.18x = 1,785,529,960,795.01
5. Step 5: Solve for x
   x = 1,785,529,960,795.01/1,538,624.18
6. Step 6: Final answer
   x = 1,160,471.79