Finding the Fourth Proportional to 8,871,152,686.68, 12,242,287,453.50 and 4,910,920,489.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,871,152,686.68 : 12,242,287,453.50 = 4,910,920,489.56 : x
2. Step 2: Convert to fraction form
   8,871,152,686.68/12,242,287,453.50 = 4,910,920,489.56/x
3. Step 3: Cross multiply
   8,871,152,686.68x = 12,242,287,453.50 × 4,910,920,489.56
4. Step 4: Simplify right side
   8,871,152,686.68x = 60,120,900,294,476,472,320
5. Step 5: Solve for x
   x = 60,120,900,294,476,472,320/8,871,152,686.68
6. Step 6: Final answer
   x = 6,777,123,832.48