Finding the Fourth Proportional to 1,167,141.27, 1,611,983.55 and 784,503.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,167,141.27 : 1,611,983.55 = 784,503.75 : x
2. Step 2: Convert to fraction form
   1,167,141.27/1,611,983.55 = 784,503.75/x
3. Step 3: Cross multiply
   1,167,141.27x = 1,611,983.55 × 784,503.75
4. Step 4: Simplify right side
   1,167,141.27x = 1,264,607,139,913.31
5. Step 5: Solve for x
   x = 1,264,607,139,913.31/1,167,141.27
6. Step 6: Final answer
   x = 1,083,508.20