Finding the Fourth Proportional to 1,665,636.48, 2,298,577.86 and 901,689.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,636.48 : 2,298,577.86 = 901,689.48 : x
2. Step 2: Convert to fraction form
   1,665,636.48/2,298,577.86 = 901,689.48/x
3. Step 3: Cross multiply
   1,665,636.48x = 2,298,577.86 × 901,689.48
4. Step 4: Simplify right side
   1,665,636.48x = 2,072,603,475,322.91
5. Step 5: Solve for x
   x = 2,072,603,475,322.91/1,665,636.48
6. Step 6: Final answer
   x = 1,244,331.22