Finding the Fourth Proportional to 1,870,911.31, 2,581,857.83 and 1,011,471.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870,911.31 : 2,581,857.83 = 1,011,471.34 : x
2. Step 2: Convert to fraction form
   1,870,911.31/2,581,857.83 = 1,011,471.34/x
3. Step 3: Cross multiply
   1,870,911.31x = 2,581,857.83 × 1,011,471.34
4. Step 4: Simplify right side
   1,870,911.31x = 2,611,475,181,032.95
5. Step 5: Solve for x
   x = 2,611,475,181,032.95/1,870,911.31
6. Step 6: Final answer
   x = 1,395,830.56