Finding the Fourth Proportional to 101,510.72, 152,280.72 and 31,395.52

Step by Step Solution

1. Step 1: Write the proportion equation
   101,510.72 : 152,280.72 = 31,395.52 : x
2. Step 2: Convert to fraction form
   101,510.72/152,280.72 = 31,395.52/x
3. Step 3: Cross multiply
   101,510.72x = 152,280.72 × 31,395.52
4. Step 4: Simplify right side
   101,510.72x = 4,780,932,390.37
5. Step 5: Solve for x
   x = 4,780,932,390.37/101,510.72
6. Step 6: Final answer
   x = 47,097.81