Finding the Fourth Proportional to 47,155.79, 65,101.91 and 31,261.77

Step by Step Solution

1. Step 1: Write the proportion equation
   47,155.79 : 65,101.91 = 31,261.77 : x
2. Step 2: Convert to fraction form
   47,155.79/65,101.91 = 31,261.77/x
3. Step 3: Cross multiply
   47,155.79x = 65,101.91 × 31,261.77
4. Step 4: Simplify right side
   47,155.79x = 2,035,200,780.67
5. Step 5: Solve for x
   x = 2,035,200,780.67/47,155.79
6. Step 6: Final answer
   x = 43,159.08