Finding the Fourth Proportional to 147,560.67, 221,341.59 and 54,066.42

Step by Step Solution

1. Step 1: Write the proportion equation
   147,560.67 : 221,341.59 = 54,066.42 : x
2. Step 2: Convert to fraction form
   147,560.67/221,341.59 = 54,066.42/x
3. Step 3: Cross multiply
   147,560.67x = 221,341.59 × 54,066.42
4. Step 4: Simplify right side
   147,560.67x = 11,967,147,368.41
5. Step 5: Solve for x
   x = 11,967,147,368.41/147,560.67
6. Step 6: Final answer
   x = 81,099.84