Finding the Fourth Proportional to 156,253.50, 234,419.94 and 45,445.50

Step by Step Solution

1. Step 1: Write the proportion equation
   156,253.50 : 234,419.94 = 45,445.50 : x
2. Step 2: Convert to fraction form
   156,253.50/234,419.94 = 45,445.50/x
3. Step 3: Cross multiply
   156,253.50x = 234,419.94 × 45,445.50
4. Step 4: Simplify right side
   156,253.50x = 10,653,331,383.27
5. Step 5: Solve for x
   x = 10,653,331,383.27/156,253.50
6. Step 6: Final answer
   x = 68,179.79