Finding the Fourth Proportional to 78,151.50, 107,900.91 and 48,395.34

Step by Step Solution

1. Step 1: Write the proportion equation
   78,151.50 : 107,900.91 = 48,395.34 : x
2. Step 2: Convert to fraction form
   78,151.50/107,900.91 = 48,395.34/x
3. Step 3: Cross multiply
   78,151.50x = 107,900.91 × 48,395.34
4. Step 4: Simplify right side
   78,151.50x = 5,221,901,225.76
5. Step 5: Solve for x
   x = 5,221,901,225.76/78,151.50
6. Step 6: Final answer
   x = 66,817.67