Finding the Fourth Proportional to 52,134.56, 78,189.86 and 31,080.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,134.56 : 78,189.86 = 31,080.56 : x
2. Step 2: Convert to fraction form
   52,134.56/78,189.86 = 31,080.56/x
3. Step 3: Cross multiply
   52,134.56x = 78,189.86 × 31,080.56
4. Step 4: Simplify right side
   52,134.56x = 2,430,184,635.12
5. Step 5: Solve for x
   x = 2,430,184,635.12/52,134.56
6. Step 6: Final answer
   x = 46,613.70