Finding the Fourth Proportional to 2,129,034.28, 2,937,628.56 and 1,223,441.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,129,034.28 : 2,937,628.56 = 1,223,441.32 : x
2. Step 2: Convert to fraction form
   2,129,034.28/2,937,628.56 = 1,223,441.32/x
3. Step 3: Cross multiply
   2,129,034.28x = 2,937,628.56 × 1,223,441.32
4. Step 4: Simplify right side
   2,129,034.28x = 3,594,016,163,116.10
5. Step 5: Solve for x
   x = 3,594,016,163,116.10/2,129,034.28
6. Step 6: Final answer
   x = 1,688,096.90