Finding the Fourth Proportional to 77,894.42, 107,494.16 and 42,084.32

Step by Step Solution

1. Step 1: Write the proportion equation
   77,894.42 : 107,494.16 = 42,084.32 : x
2. Step 2: Convert to fraction form
   77,894.42/107,494.16 = 42,084.32/x
3. Step 3: Cross multiply
   77,894.42x = 107,494.16 × 42,084.32
4. Step 4: Simplify right side
   77,894.42x = 4,523,818,627.57
5. Step 5: Solve for x
   x = 4,523,818,627.57/77,894.42
6. Step 6: Final answer
   x = 58,076.29