Finding the Fourth Proportional to 1,917,404.89, 2,646,073.70 and 1,058,020.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,404.89 : 2,646,073.70 = 1,058,020.50 : x
2. Step 2: Convert to fraction form
   1,917,404.89/2,646,073.70 = 1,058,020.50/x
3. Step 3: Cross multiply
   1,917,404.89x = 2,646,073.70 × 1,058,020.50
4. Step 4: Simplify right side
   1,917,404.89x = 2,799,600,227,711.10
5. Step 5: Solve for x
   x = 2,799,600,227,711.10/1,917,404.89
6. Step 6: Final answer
   x = 1,460,098.62