Finding the Fourth Proportional to 1,112,386.58, 1,534,530.12 and 703,800.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112,386.58 : 1,534,530.12 = 703,800.31 : x
2. Step 2: Convert to fraction form
   1,112,386.58/1,534,530.12 = 703,800.31/x
3. Step 3: Cross multiply
   1,112,386.58x = 1,534,530.12 × 703,800.31
4. Step 4: Simplify right side
   1,112,386.58x = 1,080,002,766,487.69
5. Step 5: Solve for x
   x = 1,080,002,766,487.69/1,112,386.58
6. Step 6: Final answer
   x = 970,887.99