Finding the Fourth Proportional to 76,594.84, 105,699.89 and 42,603.19

Step by Step Solution

1. Step 1: Write the proportion equation
   76,594.84 : 105,699.89 = 42,603.19 : x
2. Step 2: Convert to fraction form
   76,594.84/105,699.89 = 42,603.19/x
3. Step 3: Cross multiply
   76,594.84x = 105,699.89 × 42,603.19
4. Step 4: Simplify right side
   76,594.84x = 4,503,152,338.91
5. Step 5: Solve for x
   x = 4,503,152,338.91/76,594.84
6. Step 6: Final answer
   x = 58,791.85