Finding the Fourth Proportional to 42,279.35, 58,212.72 and 35,892.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,279.35 : 58,212.72 = 35,892.71 : x
2. Step 2: Convert to fraction form
   42,279.35/58,212.72 = 35,892.71/x
3. Step 3: Cross multiply
   42,279.35x = 58,212.72 × 35,892.71
4. Step 4: Simplify right side
   42,279.35x = 2,089,411,986.21
5. Step 5: Solve for x
   x = 2,089,411,986.21/42,279.35
6. Step 6: Final answer
   x = 49,419.21