Finding the Fourth Proportional to 1,109,614.88, 1,531,253.42 and 619,591.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,109,614.88 : 1,531,253.42 = 619,591.96 : x
2. Step 2: Convert to fraction form
   1,109,614.88/1,531,253.42 = 619,591.96/x
3. Step 3: Cross multiply
   1,109,614.88x = 1,531,253.42 × 619,591.96
4. Step 4: Simplify right side
   1,109,614.88x = 948,752,307,754.50
5. Step 5: Solve for x
   x = 948,752,307,754.50/1,109,614.88
6. Step 6: Final answer
   x = 855,028.47