Finding the Fourth Proportional to 1,016,196.55, 1,402,250.18 and 586,615.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,196.55 : 1,402,250.18 = 586,615.07 : x
2. Step 2: Convert to fraction form
   1,016,196.55/1,402,250.18 = 586,615.07/x
3. Step 3: Cross multiply
   1,016,196.55x = 1,402,250.18 × 586,615.07
4. Step 4: Simplify right side
   1,016,196.55x = 822,581,088,070.76
5. Step 5: Solve for x
   x = 822,581,088,070.76/1,016,196.55
6. Step 6: Final answer
   x = 809,470.46