Finding the Fourth Proportional to 31,054,114.88, 42,852,929.76 and 17,115,427.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,054,114.88 : 42,852,929.76 = 17,115,427.75 : x
2. Step 2: Convert to fraction form
   31,054,114.88/42,852,929.76 = 17,115,427.75/x
3. Step 3: Cross multiply
   31,054,114.88x = 42,852,929.76 × 17,115,427.75
4. Step 4: Simplify right side
   31,054,114.88x = 733,446,222,968,840.25
5. Step 5: Solve for x
   x = 733,446,222,968,840.25/31,054,114.88
6. Step 6: Final answer
   x = 23,618,326.45