Finding the Fourth Proportional to 2,530,857.28, 3,492,582.72 and 1,384,937.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,530,857.28 : 3,492,582.72 = 1,384,937.76 : x
2. Step 2: Convert to fraction form
   2,530,857.28/3,492,582.72 = 1,384,937.76/x
3. Step 3: Cross multiply
   2,530,857.28x = 3,492,582.72 × 1,384,937.76
4. Step 4: Simplify right side
   2,530,857.28x = 4,837,009,688,851.51
5. Step 5: Solve for x
   x = 4,837,009,688,851.51/2,530,857.28
6. Step 6: Final answer
   x = 1,911,213.93