Finding the Fourth Proportional to 111,392.42, 153,707.38 and 63,648.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,392.42 : 153,707.38 = 63,648.86 : x
2. Step 2: Convert to fraction form
   111,392.42/153,707.38 = 63,648.86/x
3. Step 3: Cross multiply
   111,392.42x = 153,707.38 × 63,648.86
4. Step 4: Simplify right side
   111,392.42x = 9,783,299,510.59
5. Step 5: Solve for x
   x = 9,783,299,510.59/111,392.42
6. Step 6: Final answer
   x = 87,827.34