Finding the Fourth Proportional to 909,196.08, 1,254,385.89 and 587,123.88

Step by Step Solution

1. Step 1: Write the proportion equation
   909,196.08 : 1,254,385.89 = 587,123.88 : x
2. Step 2: Convert to fraction form
   909,196.08/1,254,385.89 = 587,123.88/x
3. Step 3: Cross multiply
   909,196.08x = 1,254,385.89 × 587,123.88
4. Step 4: Simplify right side
   909,196.08x = 736,479,910,754.05
5. Step 5: Solve for x
   x = 736,479,910,754.05/909,196.08
6. Step 6: Final answer
   x = 810,034.19