Finding the Fourth Proportional to 1,554.63, 2,139.10 and 1,500.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.63 : 2,139.10 = 1,500.76 : x
2. Step 2: Convert to fraction form
   1,554.63/2,139.10 = 1,500.76/x
3. Step 3: Cross multiply
   1,554.63x = 2,139.10 × 1,500.76
4. Step 4: Simplify right side
   1,554.63x = 3,210,275.72
5. Step 5: Solve for x
   x = 3,210,275.72/1,554.63
6. Step 6: Final answer
   x = 2,064.98