Finding the Fourth Proportional to 1,095,212.75, 1,510,411.82 and 912,057.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095,212.75 : 1,510,411.82 = 912,057.82 : x
2. Step 2: Convert to fraction form
   1,095,212.75/1,510,411.82 = 912,057.82/x
3. Step 3: Cross multiply
   1,095,212.75x = 1,510,411.82 × 912,057.82
4. Step 4: Simplify right side
   1,095,212.75x = 1,377,582,903,515.11
5. Step 5: Solve for x
   x = 1,377,582,903,515.11/1,095,212.75
6. Step 6: Final answer
   x = 1,257,822.20