Finding the Fourth Proportional to 42,496.47, 58,610.25 and 37,719.90

Step by Step Solution

1. Step 1: Write the proportion equation
   42,496.47 : 58,610.25 = 37,719.90 : x
2. Step 2: Convert to fraction form
   42,496.47/58,610.25 = 37,719.90/x
3. Step 3: Cross multiply
   42,496.47x = 58,610.25 × 37,719.90
4. Step 4: Simplify right side
   42,496.47x = 2,210,772,768.98
5. Step 5: Solve for x
   x = 2,210,772,768.98/42,496.47
6. Step 6: Final answer
   x = 52,022.50