Finding the Fourth Proportional to 101,911.10, 152,710.79 and 42,714.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,911.10 : 152,710.79 = 42,714.50 : x
2. Step 2: Convert to fraction form
   101,911.10/152,710.79 = 42,714.50/x
3. Step 3: Cross multiply
   101,911.10x = 152,710.79 × 42,714.50
4. Step 4: Simplify right side
   101,911.10x = 6,522,964,062.33
5. Step 5: Solve for x
   x = 6,522,964,062.33/101,911.10
6. Step 6: Final answer
   x = 64,006.42