Finding the Fourth Proportional to 81,658.76, 112,685.46 and 45,848.12

Step by Step Solution

1. Step 1: Write the proportion equation
   81,658.76 : 112,685.46 = 45,848.12 : x
2. Step 2: Convert to fraction form
   81,658.76/112,685.46 = 45,848.12/x
3. Step 3: Cross multiply
   81,658.76x = 112,685.46 × 45,848.12
4. Step 4: Simplify right side
   81,658.76x = 5,166,416,492.34
5. Step 5: Solve for x
   x = 5,166,416,492.34/81,658.76
6. Step 6: Final answer
   x = 63,268.37