Finding the Fourth Proportional to 901,160.96, 1,243,598.54 and 487,696.82

Step by Step Solution

1. Step 1: Write the proportion equation
   901,160.96 : 1,243,598.54 = 487,696.82 : x
2. Step 2: Convert to fraction form
   901,160.96/1,243,598.54 = 487,696.82/x
3. Step 3: Cross multiply
   901,160.96x = 1,243,598.54 × 487,696.82
4. Step 4: Simplify right side
   901,160.96x = 606,499,053,314.64
5. Step 5: Solve for x
   x = 606,499,053,314.64/901,160.96
6. Step 6: Final answer
   x = 673,019.67