Finding the Fourth Proportional to 147,945.89, 221,951.64 and 42,756.86

Step by Step Solution

1. Step 1: Write the proportion equation
   147,945.89 : 221,951.64 = 42,756.86 : x
2. Step 2: Convert to fraction form
   147,945.89/221,951.64 = 42,756.86/x
3. Step 3: Cross multiply
   147,945.89x = 221,951.64 × 42,756.86
4. Step 4: Simplify right side
   147,945.89x = 9,489,955,753.13
5. Step 5: Solve for x
   x = 9,489,955,753.13/147,945.89
6. Step 6: Final answer
   x = 64,144.77