Finding the Fourth Proportional to 82,421.30, 123,599.59 and 29,101.90

Step by Step Solution

1. Step 1: Write the proportion equation
   82,421.30 : 123,599.59 = 29,101.90 : x
2. Step 2: Convert to fraction form
   82,421.30/123,599.59 = 29,101.90/x
3. Step 3: Cross multiply
   82,421.30x = 123,599.59 × 29,101.90
4. Step 4: Simplify right side
   82,421.30x = 3,596,982,144.71
5. Step 5: Solve for x
   x = 3,596,982,144.71/82,421.30
6. Step 6: Final answer
   x = 43,641.42