Finding the Fourth Proportional to 1,521,086.76, 2,098,957.24 and 909,117.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521,086.76 : 2,098,957.24 = 909,117.96 : x
2. Step 2: Convert to fraction form
   1,521,086.76/2,098,957.24 = 909,117.96/x
3. Step 3: Cross multiply
   1,521,086.76x = 2,098,957.24 × 909,117.96
4. Step 4: Simplify right side
   1,521,086.76x = 1,908,199,724,156.03
5. Step 5: Solve for x
   x = 1,908,199,724,156.03/1,521,086.76
6. Step 6: Final answer
   x = 1,254,497.62