Finding the Fourth Proportional to 1,307,085.12, 1,959,233.76 and 744,909.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,307,085.12 : 1,959,233.76 = 744,909.12 : x
2. Step 2: Convert to fraction form
   1,307,085.12/1,959,233.76 = 744,909.12/x
3. Step 3: Cross multiply
   1,307,085.12x = 1,959,233.76 × 744,909.12
4. Step 4: Simplify right side
   1,307,085.12x = 1,459,451,096,035.89
5. Step 5: Solve for x
   x = 1,459,451,096,035.89/1,307,085.12
6. Step 6: Final answer
   x = 1,116,569.28