Finding the Fourth Proportional to 39,131.59, 58,706.61 and 31,156.53

Step by Step Solution

1. Step 1: Write the proportion equation
   39,131.59 : 58,706.61 = 31,156.53 : x
2. Step 2: Convert to fraction form
   39,131.59/58,706.61 = 31,156.53/x
3. Step 3: Cross multiply
   39,131.59x = 58,706.61 × 31,156.53
4. Step 4: Simplify right side
   39,131.59x = 1,829,093,806.35
5. Step 5: Solve for x
   x = 1,829,093,806.35/39,131.59
6. Step 6: Final answer
   x = 46,742.12