Finding the Fourth Proportional to 42,720.76, 58,526.47 and 41,123.48

Step by Step Solution

1. Step 1: Write the proportion equation
   42,720.76 : 58,526.47 = 41,123.48 : x
2. Step 2: Convert to fraction form
   42,720.76/58,526.47 = 41,123.48/x
3. Step 3: Cross multiply
   42,720.76x = 58,526.47 × 41,123.48
4. Step 4: Simplify right side
   42,720.76x = 2,406,812,059.21
5. Step 5: Solve for x
   x = 2,406,812,059.21/42,720.76
6. Step 6: Final answer
   x = 56,338.23