Finding the Fourth Proportional to 1,357.59, 1,875 and 914.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.59 : 1,875 = 914.72 : x
2. Step 2: Convert to fraction form
   1,357.59/1,875 = 914.72/x
3. Step 3: Cross multiply
   1,357.59x = 1,875 × 914.72
4. Step 4: Simplify right side
   1,357.59x = 1,715,090.63
5. Step 5: Solve for x
   x = 1,715,090.63/1,357.59
6. Step 6: Final answer
   x = 1,263.33