Finding the Fourth Proportional to 1,930,784.72, 2,664,501.28 and 1,071,424.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,930,784.72 : 2,664,501.28 = 1,071,424.94 : x
2. Step 2: Convert to fraction form
   1,930,784.72/2,664,501.28 = 1,071,424.94/x
3. Step 3: Cross multiply
   1,930,784.72x = 2,664,501.28 × 1,071,424.94
4. Step 4: Simplify right side
   1,930,784.72x = 2,854,813,108,052.85
5. Step 5: Solve for x
   x = 2,854,813,108,052.85/1,930,784.72
6. Step 6: Final answer
   x = 1,478,576.60