Finding the Fourth Proportional to 1,426,116.27, 2,139,178.05 and 361,158.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,116.27 : 2,139,178.05 = 361,158.45 : x
2. Step 2: Convert to fraction form
   1,426,116.27/2,139,178.05 = 361,158.45/x
3. Step 3: Cross multiply
   1,426,116.27x = 2,139,178.05 × 361,158.45
4. Step 4: Simplify right side
   1,426,116.27x = 772,582,228,812.02
5. Step 5: Solve for x
   x = 772,582,228,812.02/1,426,116.27
6. Step 6: Final answer
   x = 541,738.60