Finding the Fourth Proportional to 83,150.58, 124,710.79 and 29,123.21

Step by Step Solution

1. Step 1: Write the proportion equation
   83,150.58 : 124,710.79 = 29,123.21 : x
2. Step 2: Convert to fraction form
   83,150.58/124,710.79 = 29,123.21/x
3. Step 3: Cross multiply
   83,150.58x = 124,710.79 × 29,123.21
4. Step 4: Simplify right side
   83,150.58x = 3,631,978,820.01
5. Step 5: Solve for x
   x = 3,631,978,820.01/83,150.58
6. Step 6: Final answer
   x = 43,679.53