Finding the Fourth Proportional to 1,870,990.79, 2,581,967.00 and 1,011,551.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,990.79 : 2,581,967.00 = 1,011,551.05 : x
2. Step 2: Convert to fraction form
   1,870,990.79/2,581,967.00 = 1,011,551.05/x
3. Step 3: Cross multiply
   1,870,990.79x = 2,581,967.00 × 1,011,551.05
4. Step 4: Simplify right side
   1,870,990.79x = 2,611,791,435,671.69
5. Step 5: Solve for x
   x = 2,611,791,435,671.69/1,870,990.79
6. Step 6: Final answer
   x = 1,395,940.30