Finding the Fourth Proportional to 1,152.63, 1,720.59 and 1,066.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,152.63 : 1,720.59 = 1,066.98 : x
2. Step 2: Convert to fraction form
   1,152.63/1,720.59 = 1,066.98/x
3. Step 3: Cross multiply
   1,152.63x = 1,720.59 × 1,066.98
4. Step 4: Simplify right side
   1,152.63x = 1,835,835.12
5. Step 5: Solve for x
   x = 1,835,835.12/1,152.63
6. Step 6: Final answer
   x = 1,592.74