Finding the Fourth Proportional to 111,410.66, 153,746.96 and 63,663.89

Step by Step Solution

1. Step 1: Write the proportion equation
   111,410.66 : 153,746.96 = 63,663.89 : x
2. Step 2: Convert to fraction form
   111,410.66/153,746.96 = 63,663.89/x
3. Step 3: Cross multiply
   111,410.66x = 153,746.96 × 63,663.89
4. Step 4: Simplify right side
   111,410.66x = 9,788,129,549.27
5. Step 5: Solve for x
   x = 9,788,129,549.27/111,410.66
6. Step 6: Final answer
   x = 87,856.31