Finding the Fourth Proportional to 42,459.12, 58,531.82 and 29,672.60

Step by Step Solution

1. Step 1: Write the proportion equation
   42,459.12 : 58,531.82 = 29,672.60 : x
2. Step 2: Convert to fraction form
   42,459.12/58,531.82 = 29,672.60/x
3. Step 3: Cross multiply
   42,459.12x = 58,531.82 × 29,672.60
4. Step 4: Simplify right side
   42,459.12x = 1,736,790,841.11
5. Step 5: Solve for x
   x = 1,736,790,841.11/42,459.12
6. Step 6: Final answer
   x = 40,905.01