Finding the Fourth Proportional to 73,191.89, 100,994.12 and 42,986.94

Step by Step Solution

1. Step 1: Write the proportion equation
   73,191.89 : 100,994.12 = 42,986.94 : x
2. Step 2: Convert to fraction form
   73,191.89/100,994.12 = 42,986.94/x
3. Step 3: Cross multiply
   73,191.89x = 100,994.12 × 42,986.94
4. Step 4: Simplify right side
   73,191.89x = 4,341,427,961.86
5. Step 5: Solve for x
   x = 4,341,427,961.86/73,191.89
6. Step 6: Final answer
   x = 59,315.70