Finding the Fourth Proportional to 1,005,720.58, 1,499,106.65 and 925,008

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,720.58 : 1,499,106.65 = 925,008 : x
2. Step 2: Convert to fraction form
   1,005,720.58/1,499,106.65 = 925,008/x
3. Step 3: Cross multiply
   1,005,720.58x = 1,499,106.65 × 925,008
4. Step 4: Simplify right side
   1,005,720.58x = 1,386,685,644,103.20
5. Step 5: Solve for x
   x = 1,386,685,644,103.20/1,005,720.58
6. Step 6: Final answer
   x = 1,378,798.12