Finding the Fourth Proportional to 22,933,112,828.31, 31,648,677,563.34 and 12,771,840,642.21

Step by Step Solution

1. Step 1: Write the proportion equation
   22,933,112,828.31 : 31,648,677,563.34 = 12,771,840,642.21 : x
2. Step 2: Convert to fraction form
   22,933,112,828.31/31,648,677,563.34 = 12,771,840,642.21/x
3. Step 3: Cross multiply
   22,933,112,828.31x = 31,648,677,563.34 × 12,771,840,642.21
4. Step 4: Simplify right side
   22,933,112,828.31x = 404,211,866,375,665,549,312
5. Step 5: Solve for x
   x = 404,211,866,375,665,549,312/22,933,112,828.31
6. Step 6: Final answer
   x = 17,625,686,900.94