Finding the Fourth Proportional to 58,631.60, 80,911.86 and 31,774.10

Step by Step Solution

1. Step 1: Write the proportion equation
   58,631.60 : 80,911.86 = 31,774.10 : x
2. Step 2: Convert to fraction form
   58,631.60/80,911.86 = 31,774.10/x
3. Step 3: Cross multiply
   58,631.60x = 80,911.86 × 31,774.10
4. Step 4: Simplify right side
   58,631.60x = 2,570,901,530.83
5. Step 5: Solve for x
   x = 2,570,901,530.83/58,631.60
6. Step 6: Final answer
   x = 43,848.39