Finding the Fourth Proportional to 77,894.99, 107,494.94 and 42,084.89

Step by Step Solution

1. Step 1: Write the proportion equation
   77,894.99 : 107,494.94 = 42,084.89 : x
2. Step 2: Convert to fraction form
   77,894.99/107,494.94 = 42,084.89/x
3. Step 3: Cross multiply
   77,894.99x = 107,494.94 × 42,084.89
4. Step 4: Simplify right side
   77,894.99x = 4,523,911,977.56
5. Step 5: Solve for x
   x = 4,523,911,977.56/77,894.99
6. Step 6: Final answer
   x = 58,077.06