Finding the Fourth Proportional to 1,665,036.20, 2,297,749.93 and 901,089.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,036.20 : 2,297,749.93 = 901,089.76 : x
2. Step 2: Convert to fraction form
   1,665,036.20/2,297,749.93 = 901,089.76/x
3. Step 3: Cross multiply
   1,665,036.20x = 2,297,749.93 × 901,089.76
4. Step 4: Simplify right side
   1,665,036.20x = 2,070,478,922,713.89
5. Step 5: Solve for x
   x = 2,070,478,922,713.89/1,665,036.20
6. Step 6: Final answer
   x = 1,243,503.85