Finding the Fourth Proportional to 78,132.33, 107,822.75 and 42,322.64

Step by Step Solution

1. Step 1: Write the proportion equation
   78,132.33 : 107,822.75 = 42,322.64 : x
2. Step 2: Convert to fraction form
   78,132.33/107,822.75 = 42,322.64/x
3. Step 3: Cross multiply
   78,132.33x = 107,822.75 × 42,322.64
4. Step 4: Simplify right side
   78,132.33x = 4,563,342,681.33
5. Step 5: Solve for x
   x = 4,563,342,681.33/78,132.33
6. Step 6: Final answer
   x = 58,405.31