Finding the Fourth Proportional to 1,917,499.77, 2,646,146.61 and 1,058,059.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,499.77 : 2,646,146.61 = 1,058,059.35 : x
2. Step 2: Convert to fraction form
   1,917,499.77/2,646,146.61 = 1,058,059.35/x
3. Step 3: Cross multiply
   1,917,499.77x = 2,646,146.61 × 1,058,059.35
4. Step 4: Simplify right side
   1,917,499.77x = 2,799,780,162,181.30
5. Step 5: Solve for x
   x = 2,799,780,162,181.30/1,917,499.77
6. Step 6: Final answer
   x = 1,460,120.21