Finding the Fourth Proportional to 1,868,485.83, 2,578,510.38 and 1,009,046.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,868,485.83 : 2,578,510.38 = 1,009,046.01 : x
2. Step 2: Convert to fraction form
   1,868,485.83/2,578,510.38 = 1,009,046.01/x
3. Step 3: Cross multiply
   1,868,485.83x = 2,578,510.38 × 1,009,046.01
4. Step 4: Simplify right side
   1,868,485.83x = 2,601,835,610,682.58
5. Step 5: Solve for x
   x = 2,601,835,610,682.58/1,868,485.83
6. Step 6: Final answer
   x = 1,392,483.46