Finding the Fourth Proportional to 1,817,510.72, 2,726,265.70 and 487,814.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,817,510.72 : 2,726,265.70 = 487,814.72 : x
2. Step 2: Convert to fraction form
   1,817,510.72/2,726,265.70 = 487,814.72/x
3. Step 3: Cross multiply
   1,817,510.72x = 2,726,265.70 × 487,814.72
4. Step 4: Simplify right side
   1,817,510.72x = 1,329,912,539,091.10
5. Step 5: Solve for x
   x = 1,329,912,539,091.10/1,817,510.72
6. Step 6: Final answer
   x = 731,721.98