Finding the Fourth Proportional to 1,820,880.42, 2,731,672.17 and 698,861.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,880.42 : 2,731,672.17 = 698,861.94 : x
2. Step 2: Convert to fraction form
   1,820,880.42/2,731,672.17 = 698,861.94/x
3. Step 3: Cross multiply
   1,820,880.42x = 2,731,672.17 × 698,861.94
4. Step 4: Simplify right side
   1,820,880.42x = 1,909,061,712,170.21
5. Step 5: Solve for x
   x = 1,909,061,712,170.21/1,820,880.42
6. Step 6: Final answer
   x = 1,048,427.83