Finding the Fourth Proportional to 106,000.61, 146,289.82 and 72,084.34

Step by Step Solution

1. Step 1: Write the proportion equation
   106,000.61 : 146,289.82 = 72,084.34 : x
2. Step 2: Convert to fraction form
   106,000.61/146,289.82 = 72,084.34/x
3. Step 3: Cross multiply
   106,000.61x = 146,289.82 × 72,084.34
4. Step 4: Simplify right side
   106,000.61x = 10,545,205,123.42
5. Step 5: Solve for x
   x = 10,545,205,123.42/106,000.61
6. Step 6: Final answer
   x = 99,482.49