Finding the Fourth Proportional to 67,980.53, 101,935.76 and 30,508.47

Step by Step Solution

1. Step 1: Write the proportion equation
   67,980.53 : 101,935.76 = 30,508.47 : x
2. Step 2: Convert to fraction form
   67,980.53/101,935.76 = 30,508.47/x
3. Step 3: Cross multiply
   67,980.53x = 101,935.76 × 30,508.47
4. Step 4: Simplify right side
   67,980.53x = 3,109,904,075.89
5. Step 5: Solve for x
   x = 3,109,904,075.89/67,980.53
6. Step 6: Final answer
   x = 45,746.98