Finding the Fourth Proportional to 210,009.49, 314,915.72 and 76,796.59

Step by Step Solution

1. Step 1: Write the proportion equation
   210,009.49 : 314,915.72 = 76,796.59 : x
2. Step 2: Convert to fraction form
   210,009.49/314,915.72 = 76,796.59/x
3. Step 3: Cross multiply
   210,009.49x = 314,915.72 × 76,796.59
4. Step 4: Simplify right side
   210,009.49x = 24,184,453,433.39
5. Step 5: Solve for x
   x = 24,184,453,433.39/210,009.49
6. Step 6: Final answer
   x = 115,158.86