Finding the Fourth Proportional to 1,317,317.72, 1,816,895.42 and 1,133,868.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,317,317.72 : 1,816,895.42 = 1,133,868.50 : x
2. Step 2: Convert to fraction form
   1,317,317.72/1,816,895.42 = 1,133,868.50/x
3. Step 3: Cross multiply
   1,317,317.72x = 1,816,895.42 × 1,133,868.50
4. Step 4: Simplify right side
   1,317,317.72x = 2,060,120,478,862.93
5. Step 5: Solve for x
   x = 2,060,120,478,862.93/1,317,317.72
6. Step 6: Final answer
   x = 1,563,875.17