Finding the Fourth Proportional to 2,156,822.95, 2,976,049.88 and 1,285,642.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,156,822.95 : 2,976,049.88 = 1,285,642.03 : x
2. Step 2: Convert to fraction form
   2,156,822.95/2,976,049.88 = 1,285,642.03/x
3. Step 3: Cross multiply
   2,156,822.95x = 2,976,049.88 × 1,285,642.03
4. Step 4: Simplify right side
   2,156,822.95x = 3,826,134,817,623.38
5. Step 5: Solve for x
   x = 3,826,134,817,623.38/2,156,822.95
6. Step 6: Final answer
   x = 1,773,967.96