Finding the Fourth Proportional to 155,123.00, 214,046.42 and 87,126.95

Step by Step Solution

1. Step 1: Write the proportion equation
   155,123.00 : 214,046.42 = 87,126.95 : x
2. Step 2: Convert to fraction form
   155,123.00/214,046.42 = 87,126.95/x
3. Step 3: Cross multiply
   155,123.00x = 214,046.42 × 87,126.95
4. Step 4: Simplify right side
   155,123.00x = 18,649,210,227.15
5. Step 5: Solve for x
   x = 18,649,210,227.15/155,123.00
6. Step 6: Final answer
   x = 120,222.09