Finding the Fourth Proportional to 1,665,064.99, 2,297,789.88 and 901,118.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,064.99 : 2,297,789.88 = 901,118.55 : x
2. Step 2: Convert to fraction form
   1,665,064.99/2,297,789.88 = 901,118.55/x
3. Step 3: Cross multiply
   1,665,064.99x = 2,297,789.88 × 901,118.55
4. Step 4: Simplify right side
   1,665,064.99x = 2,070,581,090,107.79
5. Step 5: Solve for x
   x = 2,070,581,090,107.79/1,665,064.99
6. Step 6: Final answer
   x = 1,243,543.71