Finding the Fourth Proportional to 101,398.32, 152,117.73 and 31,275

Step by Step Solution

1. Step 1: Write the proportion equation
   101,398.32 : 152,117.73 = 31,275 : x
2. Step 2: Convert to fraction form
   101,398.32/152,117.73 = 31,275/x
3. Step 3: Cross multiply
   101,398.32x = 152,117.73 × 31,275
4. Step 4: Simplify right side
   101,398.32x = 4,757,482,005.75
5. Step 5: Solve for x
   x = 4,757,482,005.75/101,398.32
6. Step 6: Final answer
   x = 46,918.75