Finding the Fourth Proportional to 147,060.90, 218,928.15 and 146,186.10

Step by Step Solution

1. Step 1: Write the proportion equation
   147,060.90 : 218,928.15 = 146,186.10 : x
2. Step 2: Convert to fraction form
   147,060.90/218,928.15 = 146,186.10/x
3. Step 3: Cross multiply
   147,060.90x = 218,928.15 × 146,186.10
4. Step 4: Simplify right side
   147,060.90x = 32,004,252,428.72
5. Step 5: Solve for x
   x = 32,004,252,428.72/147,060.90
6. Step 6: Final answer
   x = 217,625.84