Finding the Fourth Proportional to 77,932.51, 107,546.83 and 42,122.52

Step by Step Solution

1. Step 1: Write the proportion equation
   77,932.51 : 107,546.83 = 42,122.52 : x
2. Step 2: Convert to fraction form
   77,932.51/107,546.83 = 42,122.52/x
3. Step 3: Cross multiply
   77,932.51x = 107,546.83 × 42,122.52
4. Step 4: Simplify right side
   77,932.51x = 4,530,143,497.61
5. Step 5: Solve for x
   x = 4,530,143,497.61/77,932.51
6. Step 6: Final answer
   x = 58,129.06