Finding the Fourth Proportional to 42,503.31, 58,653 and 23,640.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,503.31 : 58,653 = 23,640.03 : x
2. Step 2: Convert to fraction form
   42,503.31/58,653 = 23,640.03/x
3. Step 3: Cross multiply
   42,503.31x = 58,653 × 23,640.03
4. Step 4: Simplify right side
   42,503.31x = 1,386,558,679.59
5. Step 5: Solve for x
   x = 1,386,558,679.59/42,503.31
6. Step 6: Final answer
   x = 32,622.37