Finding the Fourth Proportional to 205,030.30, 282,521.88 and 151,230.10

Step by Step Solution

1. Step 1: Write the proportion equation
   205,030.30 : 282,521.88 = 151,230.10 : x
2. Step 2: Convert to fraction form
   205,030.30/282,521.88 = 151,230.10/x
3. Step 3: Cross multiply
   205,030.30x = 282,521.88 × 151,230.10
4. Step 4: Simplify right side
   205,030.30x = 42,725,812,164.59
5. Step 5: Solve for x
   x = 42,725,812,164.59/205,030.30
6. Step 6: Final answer
   x = 208,387.80