Finding the Fourth Proportional to 1,690,980.50, 2,533,811.71 and 1,307,665.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,690,980.50 : 2,533,811.71 = 1,307,665.01 : x
2. Step 2: Convert to fraction form
   1,690,980.50/2,533,811.71 = 1,307,665.01/x
3. Step 3: Cross multiply
   1,690,980.50x = 2,533,811.71 × 1,307,665.01
4. Step 4: Simplify right side
   1,690,980.50x = 3,313,376,915,095.27
5. Step 5: Solve for x
   x = 3,313,376,915,095.27/1,690,980.50
6. Step 6: Final answer
   x = 1,959,441.23