Finding the Fourth Proportional to 77,967.33, 107,594.98 and 42,157.37

Step by Step Solution

1. Step 1: Write the proportion equation
   77,967.33 : 107,594.98 = 42,157.37 : x
2. Step 2: Convert to fraction form
   77,967.33/107,594.98 = 42,157.37/x
3. Step 3: Cross multiply
   77,967.33x = 107,594.98 × 42,157.37
4. Step 4: Simplify right side
   77,967.33x = 4,535,920,738.63
5. Step 5: Solve for x
   x = 4,535,920,738.63/77,967.33
6. Step 6: Final answer
   x = 58,177.20