Finding the Fourth Proportional to 101,333.07, 151,917.54 and 42,213

Step by Step Solution

1. Step 1: Write the proportion equation
   101,333.07 : 151,917.54 = 42,213 : x
2. Step 2: Convert to fraction form
   101,333.07/151,917.54 = 42,213/x
3. Step 3: Cross multiply
   101,333.07x = 151,917.54 × 42,213
4. Step 4: Simplify right side
   101,333.07x = 6,412,895,116.02
5. Step 5: Solve for x
   x = 6,412,895,116.02/101,333.07
6. Step 6: Final answer
   x = 63,285.31