Finding the Fourth Proportional to 111,597.90, 154,031.67 and 63,878.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,597.90 : 154,031.67 = 63,878.82 : x
2. Step 2: Convert to fraction form
   111,597.90/154,031.67 = 63,878.82/x
3. Step 3: Cross multiply
   111,597.90x = 154,031.67 × 63,878.82
4. Step 4: Simplify right side
   111,597.90x = 9,839,361,322.23
5. Step 5: Solve for x
   x = 9,839,361,322.23/111,597.90
6. Step 6: Final answer
   x = 88,167.98