Finding the Fourth Proportional to 111,234.69, 153,518.49 and 63,497.34

Step by Step Solution

1. Step 1: Write the proportion equation
   111,234.69 : 153,518.49 = 63,497.34 : x
2. Step 2: Convert to fraction form
   111,234.69/153,518.49 = 63,497.34/x
3. Step 3: Cross multiply
   111,234.69x = 153,518.49 × 63,497.34
4. Step 4: Simplify right side
   111,234.69x = 9,748,015,755.82
5. Step 5: Solve for x
   x = 9,748,015,755.82/111,234.69
6. Step 6: Final answer
   x = 87,634.67