Finding the Fourth Proportional to 1,065,710,103.96, 1,470,605,284.24 and 619,641,820.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,710,103.96 : 1,470,605,284.24 = 619,641,820.72 : x
2. Step 2: Convert to fraction form
   1,065,710,103.96/1,470,605,284.24 = 619,641,820.72/x
3. Step 3: Cross multiply
   1,065,710,103.96x = 1,470,605,284.24 × 619,641,820.72
4. Step 4: Simplify right side
   1,065,710,103.96x = 911,248,535,886,926,720
5. Step 5: Solve for x
   x = 911,248,535,886,926,720/1,065,710,103.96
6. Step 6: Final answer
   x = 855,062,303.06