Finding the Fourth Proportional to 1,214,384.56, 1,675,148.18 and 784,664.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,384.56 : 1,675,148.18 = 784,664.72 : x
2. Step 2: Convert to fraction form
   1,214,384.56/1,675,148.18 = 784,664.72/x
3. Step 3: Cross multiply
   1,214,384.56x = 1,675,148.18 × 784,664.72
4. Step 4: Simplify right side
   1,214,384.56x = 1,314,429,677,618.21
5. Step 5: Solve for x
   x = 1,314,429,677,618.21/1,214,384.56
6. Step 6: Final answer
   x = 1,082,383.39