Finding the Fourth Proportional to 152,123.32, 209,865.90 and 101,838.52

Step by Step Solution

1. Step 1: Write the proportion equation
   152,123.32 : 209,865.90 = 101,838.52 : x
2. Step 2: Convert to fraction form
   152,123.32/209,865.90 = 101,838.52/x
3. Step 3: Cross multiply
   152,123.32x = 209,865.90 × 101,838.52
4. Step 4: Simplify right side
   152,123.32x = 21,372,432,654.47
5. Step 5: Solve for x
   x = 21,372,432,654.47/152,123.32
6. Step 6: Final answer
   x = 140,494.12