Finding the Fourth Proportional to 37,890.86, 52,250.67 and 25,139.57

Step by Step Solution

1. Step 1: Write the proportion equation
   37,890.86 : 52,250.67 = 25,139.57 : x
2. Step 2: Convert to fraction form
   37,890.86/52,250.67 = 25,139.57/x
3. Step 3: Cross multiply
   37,890.86x = 52,250.67 × 25,139.57
4. Step 4: Simplify right side
   37,890.86x = 1,313,559,114.76
5. Step 5: Solve for x
   x = 1,313,559,114.76/37,890.86
6. Step 6: Final answer
   x = 34,666.92