Finding the Fourth Proportional to 111,417.39, 153,753.90 and 63,018.47

Step by Step Solution

1. Step 1: Write the proportion equation
   111,417.39 : 153,753.90 = 63,018.47 : x
2. Step 2: Convert to fraction form
   111,417.39/153,753.90 = 63,018.47/x
3. Step 3: Cross multiply
   111,417.39x = 153,753.90 × 63,018.47
4. Step 4: Simplify right side
   111,417.39x = 9,689,335,682.60
5. Step 5: Solve for x
   x = 9,689,335,682.60/111,417.39
6. Step 6: Final answer
   x = 86,964.30