Finding the Fourth Proportional to 88,051.10, 132,019.21 and 57,974.31

Step by Step Solution

1. Step 1: Write the proportion equation
   88,051.10 : 132,019.21 = 57,974.31 : x
2. Step 2: Convert to fraction form
   88,051.10/132,019.21 = 57,974.31/x
3. Step 3: Cross multiply
   88,051.10x = 132,019.21 × 57,974.31
4. Step 4: Simplify right side
   88,051.10x = 7,653,722,461.56
5. Step 5: Solve for x
   x = 7,653,722,461.56/88,051.10
6. Step 6: Final answer
   x = 86,923.64