Finding the Fourth Proportional to 32,985.50, 45,520.15 and 19,737.50

Step by Step Solution

1. Step 1: Write the proportion equation
   32,985.50 : 45,520.15 = 19,737.50 : x
2. Step 2: Convert to fraction form
   32,985.50/45,520.15 = 19,737.50/x
3. Step 3: Cross multiply
   32,985.50x = 45,520.15 × 19,737.50
4. Step 4: Simplify right side
   32,985.50x = 898,453,960.63
5. Step 5: Solve for x
   x = 898,453,960.63/32,985.50
6. Step 6: Final answer
   x = 27,237.85