Finding the Fourth Proportional to 1,404.89, 2,106.98 and 527.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.89 : 2,106.98 = 527.36 : x
2. Step 2: Convert to fraction form
   1,404.89/2,106.98 = 527.36/x
3. Step 3: Cross multiply
   1,404.89x = 2,106.98 × 527.36
4. Step 4: Simplify right side
   1,404.89x = 1,111,137.63
5. Step 5: Solve for x
   x = 1,111,137.63/1,404.89
6. Step 6: Final answer
   x = 790.90