Finding the Fourth Proportional to 37,985.46, 52,390.05 and 35,439

Step by Step Solution

1. Step 1: Write the proportion equation
   37,985.46 : 52,390.05 = 35,439 : x
2. Step 2: Convert to fraction form
   37,985.46/52,390.05 = 35,439/x
3. Step 3: Cross multiply
   37,985.46x = 52,390.05 × 35,439
4. Step 4: Simplify right side
   37,985.46x = 1,856,650,981.95
5. Step 5: Solve for x
   x = 1,856,650,981.95/37,985.46
6. Step 6: Final answer
   x = 48,877.94