Finding the Fourth Proportional to 1,931,890.50, 2,665,875.31 and 1,072,383.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,890.50 : 2,665,875.31 = 1,072,383.10 : x
2. Step 2: Convert to fraction form
   1,931,890.50/2,665,875.31 = 1,072,383.10/x
3. Step 3: Cross multiply
   1,931,890.50x = 2,665,875.31 × 1,072,383.10
4. Step 4: Simplify right side
   1,931,890.50x = 2,858,839,619,805.62
5. Step 5: Solve for x
   x = 2,858,839,619,805.62/1,931,890.50
6. Step 6: Final answer
   x = 1,479,814.52