Finding the Fourth Proportional to 148,731.77, 205,653.86 and 146,328.30

Step by Step Solution

1. Step 1: Write the proportion equation
   148,731.77 : 205,653.86 = 146,328.30 : x
2. Step 2: Convert to fraction form
   148,731.77/205,653.86 = 146,328.30/x
3. Step 3: Cross multiply
   148,731.77x = 205,653.86 × 146,328.30
4. Step 4: Simplify right side
   148,731.77x = 30,092,978,990.60
5. Step 5: Solve for x
   x = 30,092,978,990.60/148,731.77
6. Step 6: Final answer
   x = 202,330.54