Finding the Fourth Proportional to 1,005,858.45, 1,387,979.69 and 576,156.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,005,858.45 : 1,387,979.69 = 576,156.69 : x
2. Step 2: Convert to fraction form
   1,005,858.45/1,387,979.69 = 576,156.69/x
3. Step 3: Cross multiply
   1,005,858.45x = 1,387,979.69 × 576,156.69
4. Step 4: Simplify right side
   1,005,858.45x = 799,693,781,096.84
5. Step 5: Solve for x
   x = 799,693,781,096.84/1,005,858.45
6. Step 6: Final answer
   x = 795,036.10