Finding the Fourth Proportional to 1,510,474.86, 2,084,455.89 and 831,406.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,510,474.86 : 2,084,455.89 = 831,406.50 : x
2. Step 2: Convert to fraction form
   1,510,474.86/2,084,455.89 = 831,406.50/x
3. Step 3: Cross multiply
   1,510,474.86x = 2,084,455.89 × 831,406.50
4. Step 4: Simplify right side
   1,510,474.86x = 1,733,030,175,909.29
5. Step 5: Solve for x
   x = 1,733,030,175,909.29/1,510,474.86
6. Step 6: Final answer
   x = 1,147,341.29