Finding the Fourth Proportional to 152,300.32, 210,174.72 and 84,322

Step by Step Solution

1. Step 1: Write the proportion equation
   152,300.32 : 210,174.72 = 84,322 : x
2. Step 2: Convert to fraction form
   152,300.32/210,174.72 = 84,322/x
3. Step 3: Cross multiply
   152,300.32x = 210,174.72 × 84,322
4. Step 4: Simplify right side
   152,300.32x = 17,722,352,739.84
5. Step 5: Solve for x
   x = 17,722,352,739.84/152,300.32
6. Step 6: Final answer
   x = 116,364.51