Finding the Fourth Proportional to 78,045.72, 107,696.30 and 45,786.84

Step by Step Solution

1. Step 1: Write the proportion equation
   78,045.72 : 107,696.30 = 45,786.84 : x
2. Step 2: Convert to fraction form
   78,045.72/107,696.30 = 45,786.84/x
3. Step 3: Cross multiply
   78,045.72x = 107,696.30 × 45,786.84
4. Step 4: Simplify right side
   78,045.72x = 4,931,073,256.69
5. Step 5: Solve for x
   x = 4,931,073,256.69/78,045.72
6. Step 6: Final answer
   x = 63,181.85