Finding the Fourth Proportional to 2,143,451.34, 2,957,967.06 and 1,272,460.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,143,451.34 : 2,957,967.06 = 1,272,460.72 : x
2. Step 2: Convert to fraction form
   2,143,451.34/2,957,967.06 = 1,272,460.72/x
3. Step 3: Cross multiply
   2,143,451.34x = 2,957,967.06 × 1,272,460.72
4. Step 4: Simplify right side
   2,143,451.34x = 3,763,896,894,903.88
5. Step 5: Solve for x
   x = 3,763,896,894,903.88/2,143,451.34
6. Step 6: Final answer
   x = 1,755,998.29