Finding the Fourth Proportional to 111,491.86, 153,858.82 and 63,746.14

Step by Step Solution

1. Step 1: Write the proportion equation
   111,491.86 : 153,858.82 = 63,746.14 : x
2. Step 2: Convert to fraction form
   111,491.86/153,858.82 = 63,746.14/x
3. Step 3: Cross multiply
   111,491.86x = 153,858.82 × 63,746.14
4. Step 4: Simplify right side
   111,491.86x = 9,807,905,879.95
5. Step 5: Solve for x
   x = 9,807,905,879.95/111,491.86
6. Step 6: Final answer
   x = 87,969.70