Finding the Fourth Proportional to 101,510.28, 152,279.88 and 31,395

Step by Step Solution

1. Step 1: Write the proportion equation
   101,510.28 : 152,279.88 = 31,395 : x
2. Step 2: Convert to fraction form
   101,510.28/152,279.88 = 31,395/x
3. Step 3: Cross multiply
   101,510.28x = 152,279.88 × 31,395
4. Step 4: Simplify right side
   101,510.28x = 4,780,826,832.60
5. Step 5: Solve for x
   x = 4,780,826,832.60/101,510.28
6. Step 6: Final answer
   x = 47,096.97