Finding the Fourth Proportional to 78,059.02, 107,709.90 and 45,781.42

Step by Step Solution

1. Step 1: Write the proportion equation
   78,059.02 : 107,709.90 = 45,781.42 : x
2. Step 2: Convert to fraction form
   78,059.02/107,709.90 = 45,781.42/x
3. Step 3: Cross multiply
   78,059.02x = 107,709.90 × 45,781.42
4. Step 4: Simplify right side
   78,059.02x = 4,931,112,170.06
5. Step 5: Solve for x
   x = 4,931,112,170.06/78,059.02
6. Step 6: Final answer
   x = 63,171.59