Finding the Fourth Proportional to 1,196,146.63, 1,792,188.87 and 721,835.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,146.63 : 1,792,188.87 = 721,835.34 : x
2. Step 2: Convert to fraction form
   1,196,146.63/1,792,188.87 = 721,835.34/x
3. Step 3: Cross multiply
   1,196,146.63x = 1,792,188.87 × 721,835.34
4. Step 4: Simplify right side
   1,196,146.63x = 1,293,665,262,320.67
5. Step 5: Solve for x
   x = 1,293,665,262,320.67/1,196,146.63
6. Step 6: Final answer
   x = 1,081,527.32