Finding the Fourth Proportional to 1,133,488.55, 1,564,191.69 and 617,248.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,133,488.55 : 1,564,191.69 = 617,248.56 : x
2. Step 2: Convert to fraction form
   1,133,488.55/1,564,191.69 = 617,248.56/x
3. Step 3: Cross multiply
   1,133,488.55x = 1,564,191.69 × 617,248.56
4. Step 4: Simplify right side
   1,133,488.55x = 965,495,068,216.47
5. Step 5: Solve for x
   x = 965,495,068,216.47/1,133,488.55
6. Step 6: Final answer
   x = 851,790.76