Finding the Fourth Proportional to 101,907.45, 152,920.71 and 42,738.17

Step by Step Solution

1. Step 1: Write the proportion equation
   101,907.45 : 152,920.71 = 42,738.17 : x
2. Step 2: Convert to fraction form
   101,907.45/152,920.71 = 42,738.17/x
3. Step 3: Cross multiply
   101,907.45x = 152,920.71 × 42,738.17
4. Step 4: Simplify right side
   101,907.45x = 6,535,550,535.90
5. Step 5: Solve for x
   x = 6,535,550,535.90/101,907.45
6. Step 6: Final answer
   x = 64,132.22