Finding the Fourth Proportional to 1,352,969.58, 1,867,128.18 and 772,181.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,352,969.58 : 1,867,128.18 = 772,181.05 : x
2. Step 2: Convert to fraction form
   1,352,969.58/1,867,128.18 = 772,181.05/x
3. Step 3: Cross multiply
   1,352,969.58x = 1,867,128.18 × 772,181.05
4. Step 4: Simplify right side
   1,352,969.58x = 1,441,761,003,319.16
5. Step 5: Solve for x
   x = 1,441,761,003,319.16/1,352,969.58
6. Step 6: Final answer
   x = 1,065,627.06