Finding the Fourth Proportional to 788,271.72, 1,087,814.91 and 425,695.59

Step by Step Solution

1. Step 1: Write the proportion equation
   788,271.72 : 1,087,814.91 = 425,695.59 : x
2. Step 2: Convert to fraction form
   788,271.72/1,087,814.91 = 425,695.59/x
3. Step 3: Cross multiply
   788,271.72x = 1,087,814.91 × 425,695.59
4. Step 4: Simplify right side
   788,271.72x = 463,078,009,923.25
5. Step 5: Solve for x
   x = 463,078,009,923.25/788,271.72
6. Step 6: Final answer
   x = 587,459.88