Finding the Fourth Proportional to 1,525,857.59, 2,107,431.06 and 1,004,897.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,525,857.59 : 2,107,431.06 = 1,004,897.00 : x
2. Step 2: Convert to fraction form
   1,525,857.59/2,107,431.06 = 1,004,897.00/x
3. Step 3: Cross multiply
   1,525,857.59x = 2,107,431.06 × 1,004,897.00
4. Step 4: Simplify right side
   1,525,857.59x = 2,117,751,139,363.66
5. Step 5: Solve for x
   x = 2,117,751,139,363.66/1,525,857.59
6. Step 6: Final answer
   x = 1,387,908.78