Finding the Fourth Proportional to 1,510,638.72, 2,084,681.52 and 831,570

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510,638.72 : 2,084,681.52 = 831,570 : x
2. Step 2: Convert to fraction form
   1,510,638.72/2,084,681.52 = 831,570/x
3. Step 3: Cross multiply
   1,510,638.72x = 2,084,681.52 × 831,570
4. Step 4: Simplify right side
   1,510,638.72x = 1,733,558,611,586.40
5. Step 5: Solve for x
   x = 1,733,558,611,586.40/1,510,638.72
6. Step 6: Final answer
   x = 1,147,566.65