Finding the Fourth Proportional to 151,796.34, 209,490.93 and 88,154.10

Step by Step Solution

1. Step 1: Write the proportion equation
   151,796.34 : 209,490.93 = 88,154.10 : x
2. Step 2: Convert to fraction form
   151,796.34/209,490.93 = 88,154.10/x
3. Step 3: Cross multiply
   151,796.34x = 209,490.93 × 88,154.10
4. Step 4: Simplify right side
   151,796.34x = 18,467,484,392.31
5. Step 5: Solve for x
   x = 18,467,484,392.31/151,796.34
6. Step 6: Final answer
   x = 121,659.62