Finding the Fourth Proportional to 81,469.34, 112,432.10 and 45,670.86

Step by Step Solution

1. Step 1: Write the proportion equation
   81,469.34 : 112,432.10 = 45,670.86 : x
2. Step 2: Convert to fraction form
   81,469.34/112,432.10 = 45,670.86/x
3. Step 3: Cross multiply
   81,469.34x = 112,432.10 × 45,670.86
4. Step 4: Simplify right side
   81,469.34x = 5,134,870,698.61
5. Step 5: Solve for x
   x = 5,134,870,698.61/81,469.34
6. Step 6: Final answer
   x = 63,028.26