Finding the Fourth Proportional to 1,820,772.72, 2,731,290.30 and 698,841.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,820,772.72 : 2,731,290.30 = 698,841.72 : x
2. Step 2: Convert to fraction form
   1,820,772.72/2,731,290.30 = 698,841.72/x
3. Step 3: Cross multiply
   1,820,772.72x = 2,731,290.30 × 698,841.72
4. Step 4: Simplify right side
   1,820,772.72x = 1,908,739,611,071.32
5. Step 5: Solve for x
   x = 1,908,739,611,071.32/1,820,772.72
6. Step 6: Final answer
   x = 1,048,312.94