Finding the Fourth Proportional to 2,551,017,870.42, 3,826,526,854.80 and 612,321,102.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,551,017,870.42 : 3,826,526,854.80 = 612,321,102.42 : x
2. Step 2: Convert to fraction form
   2,551,017,870.42/3,826,526,854.80 = 612,321,102.42/x
3. Step 3: Cross multiply
   2,551,017,870.42x = 3,826,526,854.80 × 612,321,102.42
4. Step 4: Simplify right side
   2,551,017,870.42x = 2,343,063,142,170,871,296
5. Step 5: Solve for x
   x = 2,343,063,142,170,871,296/2,551,017,870.42
6. Step 6: Final answer
   x = 918,481,665.43