Finding the Fourth Proportional to 76,376.82, 105,404.85 and 42,844.98

Step by Step Solution

1. Step 1: Write the proportion equation
   76,376.82 : 105,404.85 = 42,844.98 : x
2. Step 2: Convert to fraction form
   76,376.82/105,404.85 = 42,844.98/x
3. Step 3: Cross multiply
   76,376.82x = 105,404.85 × 42,844.98
4. Step 4: Simplify right side
   76,376.82x = 4,516,068,690.15
5. Step 5: Solve for x
   x = 4,516,068,690.15/76,376.82
6. Step 6: Final answer
   x = 59,128.79