Finding the Fourth Proportional to 2,107,776, 2,908,730.88 and 1,153,920

Step by Step Solution

1. Step 1: Write the proportion equation
   2,107,776 : 2,908,730.88 = 1,153,920 : x
2. Step 2: Convert to fraction form
   2,107,776/2,908,730.88 = 1,153,920/x
3. Step 3: Cross multiply
   2,107,776x = 2,908,730.88 × 1,153,920
4. Step 4: Simplify right side
   2,107,776x = 3,356,442,737,049.60
5. Step 5: Solve for x
   x = 3,356,442,737,049.60/2,107,776
6. Step 6: Final answer
   x = 1,592,409.60