Finding the Fourth Proportional to 91,972.06, 137,914.41 and 42,037.34

Step by Step Solution

1. Step 1: Write the proportion equation
   91,972.06 : 137,914.41 = 42,037.34 : x
2. Step 2: Convert to fraction form
   91,972.06/137,914.41 = 42,037.34/x
3. Step 3: Cross multiply
   91,972.06x = 137,914.41 × 42,037.34
4. Step 4: Simplify right side
   91,972.06x = 5,797,554,944.07
5. Step 5: Solve for x
   x = 5,797,554,944.07/91,972.06
6. Step 6: Final answer
   x = 63,036.05