Finding the Fourth Proportional to 1,665,663.12, 2,298,615.89 and 901,716.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,663.12 : 2,298,615.89 = 901,716.69 : x
2. Step 2: Convert to fraction form
   1,665,663.12/2,298,615.89 = 901,716.69/x
3. Step 3: Cross multiply
   1,665,663.12x = 2,298,615.89 × 901,716.69
4. Step 4: Simplify right side
   1,665,663.12x = 2,072,700,307,403.62
5. Step 5: Solve for x
   x = 2,072,700,307,403.62/1,665,663.12
6. Step 6: Final answer
   x = 1,244,369.45