Finding the Fourth Proportional to 91,970.56, 137,912.16 and 42,035.84

Step by Step Solution

1. Step 1: Write the proportion equation
   91,970.56 : 137,912.16 = 42,035.84 : x
2. Step 2: Convert to fraction form
   91,970.56/137,912.16 = 42,035.84/x
3. Step 3: Cross multiply
   91,970.56x = 137,912.16 × 42,035.84
4. Step 4: Simplify right side
   91,970.56x = 5,797,253,491.81
5. Step 5: Solve for x
   x = 5,797,253,491.81/91,970.56
6. Step 6: Final answer
   x = 63,033.80