Finding the Fourth Proportional to 1,510,640.72, 2,084,684.28 and 831,572

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510,640.72 : 2,084,684.28 = 831,572 : x
2. Step 2: Convert to fraction form
   1,510,640.72/2,084,684.28 = 831,572/x
3. Step 3: Cross multiply
   1,510,640.72x = 2,084,684.28 × 831,572
4. Step 4: Simplify right side
   1,510,640.72x = 1,733,565,076,088.16
5. Step 5: Solve for x
   x = 1,733,565,076,088.16/1,510,640.72
6. Step 6: Final answer
   x = 1,147,569.41