Finding the Fourth Proportional to 111,060.56, 153,267.72 and 63,312.68

Step by Step Solution

1. Step 1: Write the proportion equation
   111,060.56 : 153,267.72 = 63,312.68 : x
2. Step 2: Convert to fraction form
   111,060.56/153,267.72 = 63,312.68/x
3. Step 3: Cross multiply
   111,060.56x = 153,267.72 × 63,312.68
4. Step 4: Simplify right side
   111,060.56x = 9,703,790,110.69
5. Step 5: Solve for x
   x = 9,703,790,110.69/111,060.56
6. Step 6: Final answer
   x = 87,373.86