Finding the Fourth Proportional to 1,106,892.92, 1,526,990.31 and 647,725.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,106,892.92 : 1,526,990.31 = 647,725.83 : x
2. Step 2: Convert to fraction form
   1,106,892.92/1,526,990.31 = 647,725.83/x
3. Step 3: Cross multiply
   1,106,892.92x = 1,526,990.31 × 647,725.83
4. Step 4: Simplify right side
   1,106,892.92x = 989,071,065,946.71
5. Step 5: Solve for x
   x = 989,071,065,946.71/1,106,892.92
6. Step 6: Final answer
   x = 893,556.23