Finding the Fourth Proportional to 140,764.16, 211,166.72 and 42,275.84

Step by Step Solution

1. Step 1: Write the proportion equation
   140,764.16 : 211,166.72 = 42,275.84 : x
2. Step 2: Convert to fraction form
   140,764.16/211,166.72 = 42,275.84/x
3. Step 3: Cross multiply
   140,764.16x = 211,166.72 × 42,275.84
4. Step 4: Simplify right side
   140,764.16x = 8,927,250,468.04
5. Step 5: Solve for x
   x = 8,927,250,468.04/140,764.16
6. Step 6: Final answer
   x = 63,419.91