Finding the Fourth Proportional to 1,503.60, 2,072.61 and 1,060.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,503.60 : 2,072.61 = 1,060.50 : x
2. Step 2: Convert to fraction form
   1,503.60/2,072.61 = 1,060.50/x
3. Step 3: Cross multiply
   1,503.60x = 2,072.61 × 1,060.50
4. Step 4: Simplify right side
   1,503.60x = 2,198,002.91
5. Step 5: Solve for x
   x = 2,198,002.91/1,503.60
6. Step 6: Final answer
   x = 1,461.83