Finding the Fourth Proportional to 1,065,116.16, 1,588,293.27 and 1,055,520.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,116.16 : 1,588,293.27 = 1,055,520.71 : x
2. Step 2: Convert to fraction form
   1,065,116.16/1,588,293.27 = 1,055,520.71/x
3. Step 3: Cross multiply
   1,065,116.16x = 1,588,293.27 × 1,055,520.71
4. Step 4: Simplify right side
   1,065,116.16x = 1,676,476,432,097.16
5. Step 5: Solve for x
   x = 1,676,476,432,097.16/1,065,116.16
6. Step 6: Final answer
   x = 1,573,984.60