Finding the Fourth Proportional to 76,026.88, 104,915.04 and 42,499.36

Step by Step Solution

1. Step 1: Write the proportion equation
   76,026.88 : 104,915.04 = 42,499.36 : x
2. Step 2: Convert to fraction form
   76,026.88/104,915.04 = 42,499.36/x
3. Step 3: Cross multiply
   76,026.88x = 104,915.04 × 42,499.36
4. Step 4: Simplify right side
   76,026.88x = 4,458,822,054.37
5. Step 5: Solve for x
   x = 4,458,822,054.37/76,026.88
6. Step 6: Final answer
   x = 58,647.97