Finding the Fourth Proportional to 76,307.14, 105,300.93 and 42,317.02

Step by Step Solution

1. Step 1: Write the proportion equation
   76,307.14 : 105,300.93 = 42,317.02 : x
2. Step 2: Convert to fraction form
   76,307.14/105,300.93 = 42,317.02/x
3. Step 3: Cross multiply
   76,307.14x = 105,300.93 × 42,317.02
4. Step 4: Simplify right side
   76,307.14x = 4,456,021,560.83
5. Step 5: Solve for x
   x = 4,456,021,560.83/76,307.14
6. Step 6: Final answer
   x = 58,395.87