Finding the Fourth Proportional to 101,434.10, 152,165.55 and 31,306.10

Step by Step Solution

1. Step 1: Write the proportion equation
   101,434.10 : 152,165.55 = 31,306.10 : x
2. Step 2: Convert to fraction form
   101,434.10/152,165.55 = 31,306.10/x
3. Step 3: Cross multiply
   101,434.10x = 152,165.55 × 31,306.10
4. Step 4: Simplify right side
   101,434.10x = 4,763,709,924.86
5. Step 5: Solve for x
   x = 4,763,709,924.86/101,434.10
6. Step 6: Final answer
   x = 46,963.59