Finding the Fourth Proportional to 1,724,404.82, 2,379,679.35 and 999,672.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,724,404.82 : 2,379,679.35 = 999,672.71 : x
2. Step 2: Convert to fraction form
   1,724,404.82/2,379,679.35 = 999,672.71/x
3. Step 3: Cross multiply
   1,724,404.82x = 2,379,679.35 × 999,672.71
4. Step 4: Simplify right side
   1,724,404.82x = 2,378,900,492,847.14
5. Step 5: Solve for x
   x = 2,378,900,492,847.14/1,724,404.82
6. Step 6: Final answer
   x = 1,379,548.74