Finding the Fourth Proportional to 152,079.67, 228,131.34 and 45,455.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,079.67 : 228,131.34 = 45,455.50 : x
2. Step 2: Convert to fraction form
   152,079.67/228,131.34 = 45,455.50/x
3. Step 3: Cross multiply
   152,079.67x = 228,131.34 × 45,455.50
4. Step 4: Simplify right side
   152,079.67x = 10,369,824,125.37
5. Step 5: Solve for x
   x = 10,369,824,125.37/152,079.67
6. Step 6: Final answer
   x = 68,186.79