Finding the Fourth Proportional to 1,399,077.36, 2,090,649.69 and 1,050,588.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,077.36 : 2,090,649.69 = 1,050,588.63 : x
2. Step 2: Convert to fraction form
   1,399,077.36/2,090,649.69 = 1,050,588.63/x
3. Step 3: Cross multiply
   1,399,077.36x = 2,090,649.69 × 1,050,588.63
4. Step 4: Simplify right side
   1,399,077.36x = 2,196,412,793,627.02
5. Step 5: Solve for x
   x = 2,196,412,793,627.02/1,399,077.36
6. Step 6: Final answer
   x = 1,569,900.89