Finding the Fourth Proportional to 1,141,554.86, 1,576,404.65 and 854,576.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141,554.86 : 1,576,404.65 = 854,576.72 : x
2. Step 2: Convert to fraction form
   1,141,554.86/1,576,404.65 = 854,576.72/x
3. Step 3: Cross multiply
   1,141,554.86x = 1,576,404.65 × 854,576.72
4. Step 4: Simplify right side
   1,141,554.86x = 1,347,158,715,189.75
5. Step 5: Solve for x
   x = 1,347,158,715,189.75/1,141,554.86
6. Step 6: Final answer
   x = 1,180,108.61