Finding the Fourth Proportional to 1,030,216,268.98, 1,422,068,253.20 and 612,527,557.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,030,216,268.98 : 1,422,068,253.20 = 612,527,557.82 : x
2. Step 2: Convert to fraction form
   1,030,216,268.98/1,422,068,253.20 = 612,527,557.82/x
3. Step 3: Cross multiply
   1,030,216,268.98x = 1,422,068,253.20 × 612,527,557.82
4. Step 4: Simplify right side
   1,030,216,268.98x = 871,055,994,185,949,440
5. Step 5: Solve for x
   x = 871,055,994,185,949,440/1,030,216,268.98
6. Step 6: Final answer
   x = 845,507,900.05