Finding the Fourth Proportional to 42,490.68, 58,697.10 and 34,048.88

Step by Step Solution

1. Step 1: Write the proportion equation
   42,490.68 : 58,697.10 = 34,048.88 : x
2. Step 2: Convert to fraction form
   42,490.68/58,697.10 = 34,048.88/x
3. Step 3: Cross multiply
   42,490.68x = 58,697.10 × 34,048.88
4. Step 4: Simplify right side
   42,490.68x = 1,998,570,514.25
5. Step 5: Solve for x
   x = 1,998,570,514.25/42,490.68
6. Step 6: Final answer
   x = 47,035.50