Finding the Fourth Proportional to 42,613.84, 58,913.39 and 31,985.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,613.84 : 58,913.39 = 31,985.02 : x
2. Step 2: Convert to fraction form
   42,613.84/58,913.39 = 31,985.02/x
3. Step 3: Cross multiply
   42,613.84x = 58,913.39 × 31,985.02
4. Step 4: Simplify right side
   42,613.84x = 1,884,345,957.42
5. Step 5: Solve for x
   x = 1,884,345,957.42/42,613.84
6. Step 6: Final answer
   x = 44,219.11