Finding the Fourth Proportional to 31,172,797.98, 43,018,523.55 and 17,421,761.70

Step by Step Solution

1. Step 1: Write the proportion equation
   31,172,797.98 : 43,018,523.55 = 17,421,761.70 : x
2. Step 2: Convert to fraction form
   31,172,797.98/43,018,523.55 = 17,421,761.70/x
3. Step 3: Cross multiply
   31,172,797.98x = 43,018,523.55 × 17,421,761.70
4. Step 4: Simplify right side
   31,172,797.98x = 749,458,465,973,938
5. Step 5: Solve for x
   x = 749,458,465,973,938/31,172,797.98
6. Step 6: Final answer
   x = 24,042,065.99