Finding the Fourth Proportional to 406,051.59, 559,978.83 and 348,671.37

Step by Step Solution

1. Step 1: Write the proportion equation
   406,051.59 : 559,978.83 = 348,671.37 : x
2. Step 2: Convert to fraction form
   406,051.59/559,978.83 = 348,671.37/x
3. Step 3: Cross multiply
   406,051.59x = 559,978.83 × 348,671.37
4. Step 4: Simplify right side
   406,051.59x = 195,248,585,827.10
5. Step 5: Solve for x
   x = 195,248,585,827.10/406,051.59
6. Step 6: Final answer
   x = 480,846.75