Finding the Fourth Proportional to 1,094,921.45, 1,642,970.38 and 455,665.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094,921.45 : 1,642,970.38 = 455,665.91 : x
2. Step 2: Convert to fraction form
   1,094,921.45/1,642,970.38 = 455,665.91/x
3. Step 3: Cross multiply
   1,094,921.45x = 1,642,970.38 × 455,665.91
4. Step 4: Simplify right side
   1,094,921.45x = 748,645,585,090.89
5. Step 5: Solve for x
   x = 748,645,585,090.89/1,094,921.45
6. Step 6: Final answer
   x = 683,743.65