Finding the Fourth Proportional to 42,424.32, 58,672.42 and 37,109.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,424.32 : 58,672.42 = 37,109.90 : x
2. Step 2: Convert to fraction form
   42,424.32/58,672.42 = 37,109.90/x
3. Step 3: Cross multiply
   42,424.32x = 58,672.42 × 37,109.90
4. Step 4: Simplify right side
   42,424.32x = 2,177,327,638.96
5. Step 5: Solve for x
   x = 2,177,327,638.96/42,424.32
6. Step 6: Final answer
   x = 51,322.63