Finding the Fourth Proportional to 178,342.56, 245,897.52 and 154,099.71

Step by Step Solution

1. Step 1: Write the proportion equation
   178,342.56 : 245,897.52 = 154,099.71 : x
2. Step 2: Convert to fraction form
   178,342.56/245,897.52 = 154,099.71/x
3. Step 3: Cross multiply
   178,342.56x = 245,897.52 × 154,099.71
4. Step 4: Simplify right side
   178,342.56x = 37,892,736,521.72
5. Step 5: Solve for x
   x = 37,892,736,521.72/178,342.56
6. Step 6: Final answer
   x = 212,471.64