Finding the Fourth Proportional to 57,838, 79,816.56 and 31,342

Step by Step Solution

1. Step 1: Write the proportion equation
   57,838 : 79,816.56 = 31,342 : x
2. Step 2: Convert to fraction form
   57,838/79,816.56 = 31,342/x
3. Step 3: Cross multiply
   57,838x = 79,816.56 × 31,342
4. Step 4: Simplify right side
   57,838x = 2,501,610,623.52
5. Step 5: Solve for x
   x = 2,501,610,623.52/57,838
6. Step 6: Final answer
   x = 43,252.03