Finding the Fourth Proportional to 31,054,118.39, 42,852,934.58 and 17,115,431.25

Step by Step Solution

1. Step 1: Write the proportion equation
   31,054,118.39 : 42,852,934.58 = 17,115,431.25 : x
2. Step 2: Convert to fraction form
   31,054,118.39/42,852,934.58 = 17,115,431.25/x
3. Step 3: Cross multiply
   31,054,118.39x = 42,852,934.58 × 17,115,431.25
4. Step 4: Simplify right side
   31,054,118.39x = 733,446,455,739,859
5. Step 5: Solve for x
   x = 733,446,455,739,859/31,054,118.39
6. Step 6: Final answer
   x = 23,618,331.28