Finding the Fourth Proportional to 111,488.58, 153,865.17 and 63,748.98

Step by Step Solution

1. Step 1: Write the proportion equation
   111,488.58 : 153,865.17 = 63,748.98 : x
2. Step 2: Convert to fraction form
   111,488.58/153,865.17 = 63,748.98/x
3. Step 3: Cross multiply
   111,488.58x = 153,865.17 × 63,748.98
4. Step 4: Simplify right side
   111,488.58x = 9,808,747,645.03
5. Step 5: Solve for x
   x = 9,808,747,645.03/111,488.58
6. Step 6: Final answer
   x = 87,979.84