Finding the Fourth Proportional to 1,111,516.08, 1,533,872.18 and 628,070.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111,516.08 : 1,533,872.18 = 628,070.82 : x
2. Step 2: Convert to fraction form
   1,111,516.08/1,533,872.18 = 628,070.82/x
3. Step 3: Cross multiply
   1,111,516.08x = 1,533,872.18 × 628,070.82
4. Step 4: Simplify right side
   1,111,516.08x = 963,380,354,727.43
5. Step 5: Solve for x
   x = 963,380,354,727.43/1,111,516.08
6. Step 6: Final answer
   x = 866,726.42