Finding the Fourth Proportional to 1,887,981.31, 2,832,251.05 and 689,623.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,887,981.31 : 2,832,251.05 = 689,623.37 : x
2. Step 2: Convert to fraction form
   1,887,981.31/2,832,251.05 = 689,623.37/x
3. Step 3: Cross multiply
   1,887,981.31x = 2,832,251.05 × 689,623.37
4. Step 4: Simplify right side
   1,887,981.31x = 1,953,186,521,014.03
5. Step 5: Solve for x
   x = 1,953,186,521,014.03/1,887,981.31
6. Step 6: Final answer
   x = 1,034,537.00