Finding the Fourth Proportional to 147,708, 221,654.16 and 60,156

Step by Step Solution

1. Step 1: Write the proportion equation
   147,708 : 221,654.16 = 60,156 : x
2. Step 2: Convert to fraction form
   147,708/221,654.16 = 60,156/x
3. Step 3: Cross multiply
   147,708x = 221,654.16 × 60,156
4. Step 4: Simplify right side
   147,708x = 13,333,827,648.96
5. Step 5: Solve for x
   x = 13,333,827,648.96/147,708
6. Step 6: Final answer
   x = 90,271.53