Finding the Fourth Proportional to 1,144,892.72, 1,725,568.40 and 986,875.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,144,892.72 : 1,725,568.40 = 986,875.79 : x
2. Step 2: Convert to fraction form
   1,144,892.72/1,725,568.40 = 986,875.79/x
3. Step 3: Cross multiply
   1,144,892.72x = 1,725,568.40 × 986,875.79
4. Step 4: Simplify right side
   1,144,892.72x = 1,702,921,671,788.38
5. Step 5: Solve for x
   x = 1,702,921,671,788.38/1,144,892.72
6. Step 6: Final answer
   x = 1,487,407.19