Finding the Fourth Proportional to 147,877.62, 221,834.82 and 57,908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   147,877.62 : 221,834.82 = 57,908.72 : x
2. Step 2: Convert to fraction form
   147,877.62/221,834.82 = 57,908.72/x
3. Step 3: Cross multiply
   147,877.62x = 221,834.82 × 57,908.72
4. Step 4: Simplify right side
   147,877.62x = 12,846,170,477.63
5. Step 5: Solve for x
   x = 12,846,170,477.63/147,877.62
6. Step 6: Final answer
   x = 86,870.28