Finding the Fourth Proportional to 2,144,633, 3,214,978.12 and 929,447.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144,633 : 3,214,978.12 = 929,447.72 : x
2. Step 2: Convert to fraction form
   2,144,633/3,214,978.12 = 929,447.72/x
3. Step 3: Cross multiply
   2,144,633x = 3,214,978.12 × 929,447.72
4. Step 4: Simplify right side
   2,144,633x = 2,988,154,083,483.89
5. Step 5: Solve for x
   x = 2,988,154,083,483.89/2,144,633
6. Step 6: Final answer
   x = 1,393,317.22