Finding the Fourth Proportional to 9,877,555,061.15, 14,819,243,133.94 and 3,979,079,009.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,877,555,061.15 : 14,819,243,133.94 = 3,979,079,009.15 : x
2. Step 2: Convert to fraction form
   9,877,555,061.15/14,819,243,133.94 = 3,979,079,009.15/x
3. Step 3: Cross multiply
   9,877,555,061.15x = 14,819,243,133.94 × 3,979,079,009.15
4. Step 4: Simplify right side
   9,877,555,061.15x = 58,966,939,285,750,923,264
5. Step 5: Solve for x
   x = 58,966,939,285,750,923,264/9,877,555,061.15
6. Step 6: Final answer
   x = 5,969,790,997.94