Finding the Fourth Proportional to 1,298,450.43, 1,956,538.52 and 1,066,978.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298,450.43 : 1,956,538.52 = 1,066,978.35 : x
2. Step 2: Convert to fraction form
   1,298,450.43/1,956,538.52 = 1,066,978.35/x
3. Step 3: Cross multiply
   1,298,450.43x = 1,956,538.52 × 1,066,978.35
4. Step 4: Simplify right side
   1,298,450.43x = 2,087,584,244,448.49
5. Step 5: Solve for x
   x = 2,087,584,244,448.49/1,298,450.43
6. Step 6: Final answer
   x = 1,607,750.44