Finding the Fourth Proportional to 1,656,573.31, 2,286,043.50 and 921,518.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,656,573.31 : 2,286,043.50 = 921,518.83 : x
2. Step 2: Convert to fraction form
   1,656,573.31/2,286,043.50 = 921,518.83/x
3. Step 3: Cross multiply
   1,656,573.31x = 2,286,043.50 × 921,518.83
4. Step 4: Simplify right side
   1,656,573.31x = 2,106,632,131,449.11
5. Step 5: Solve for x
   x = 2,106,632,131,449.11/1,656,573.31
6. Step 6: Final answer
   x = 1,271,680.59