Finding the Fourth Proportional to 1,012,598.51, 1,519,128.17 and 539,034.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,598.51 : 1,519,128.17 = 539,034.35 : x
2. Step 2: Convert to fraction form
   1,012,598.51/1,519,128.17 = 539,034.35/x
3. Step 3: Cross multiply
   1,012,598.51x = 1,519,128.17 × 539,034.35
4. Step 4: Simplify right side
   1,012,598.51x = 818,862,262,987.47
5. Step 5: Solve for x
   x = 818,862,262,987.47/1,012,598.51
6. Step 6: Final answer
   x = 808,674.17