Finding the Fourth Proportional to 1,078,516.50, 1,488,892.04 and 670,749.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078,516.50 : 1,488,892.04 = 670,749.68 : x
2. Step 2: Convert to fraction form
   1,078,516.50/1,488,892.04 = 670,749.68/x
3. Step 3: Cross multiply
   1,078,516.50x = 1,488,892.04 × 670,749.68
4. Step 4: Simplify right side
   1,078,516.50x = 998,673,859,384.55
5. Step 5: Solve for x
   x = 998,673,859,384.55/1,078,516.50
6. Step 6: Final answer
   x = 925,969.94