Finding the Fourth Proportional to 109,510.45, 164,283.42 and 42,914.47

Step by Step Solution

1. Step 1: Write the proportion equation
   109,510.45 : 164,283.42 = 42,914.47 : x
2. Step 2: Convert to fraction form
   109,510.45/164,283.42 = 42,914.47/x
3. Step 3: Cross multiply
   109,510.45x = 164,283.42 × 42,914.47
4. Step 4: Simplify right side
   109,510.45x = 7,050,135,077.67
5. Step 5: Solve for x
   x = 7,050,135,077.67/109,510.45
6. Step 6: Final answer
   x = 64,378.65