Finding the Fourth Proportional to 76,906.16, 106,131.30 and 42,917.84

Step by Step Solution

1. Step 1: Write the proportion equation
   76,906.16 : 106,131.30 = 42,917.84 : x
2. Step 2: Convert to fraction form
   76,906.16/106,131.30 = 42,917.84/x
3. Step 3: Cross multiply
   76,906.16x = 106,131.30 × 42,917.84
4. Step 4: Simplify right side
   76,906.16x = 4,554,926,152.39
5. Step 5: Solve for x
   x = 4,554,926,152.39/76,906.16
6. Step 6: Final answer
   x = 59,227.07