Finding the Fourth Proportional to 76,283.91, 105,278.00 and 42,303.03

Step by Step Solution

1. Step 1: Write the proportion equation
   76,283.91 : 105,278.00 = 42,303.03 : x
2. Step 2: Convert to fraction form
   76,283.91/105,278.00 = 42,303.03/x
3. Step 3: Cross multiply
   76,283.91x = 105,278.00 × 42,303.03
4. Step 4: Simplify right side
   76,283.91x = 4,453,578,180.82
5. Step 5: Solve for x
   x = 4,453,578,180.82/76,283.91
6. Step 6: Final answer
   x = 58,381.62