Finding the Fourth Proportional to 1,500.36, 2,070.72 and 977.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.36 : 2,070.72 = 977.52 : x
2. Step 2: Convert to fraction form
   1,500.36/2,070.72 = 977.52/x
3. Step 3: Cross multiply
   1,500.36x = 2,070.72 × 977.52
4. Step 4: Simplify right side
   1,500.36x = 2,024,170.21
5. Step 5: Solve for x
   x = 2,024,170.21/1,500.36
6. Step 6: Final answer
   x = 1,349.12