Finding the Fourth Proportional to 76,113.53, 105,034.50 and 42,123.44

Step by Step Solution

1. Step 1: Write the proportion equation
   76,113.53 : 105,034.50 = 42,123.44 : x
2. Step 2: Convert to fraction form
   76,113.53/105,034.50 = 42,123.44/x
3. Step 3: Cross multiply
   76,113.53x = 105,034.50 × 42,123.44
4. Step 4: Simplify right side
   76,113.53x = 4,424,413,933.51
5. Step 5: Solve for x
   x = 4,424,413,933.51/76,113.53
6. Step 6: Final answer
   x = 58,129.14