Finding the Fourth Proportional to 1,931,887.09, 2,665,870.62 and 1,072,379.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,931,887.09 : 2,665,870.62 = 1,072,379.69 : x
2. Step 2: Convert to fraction form
   1,931,887.09/2,665,870.62 = 1,072,379.69/x
3. Step 3: Cross multiply
   1,931,887.09x = 2,665,870.62 × 1,072,379.69
4. Step 4: Simplify right side
   1,931,887.09x = 2,858,825,501,701.95
5. Step 5: Solve for x
   x = 2,858,825,501,701.95/1,931,887.09
6. Step 6: Final answer
   x = 1,479,809.83