Finding the Fourth Proportional to 201,145.10, 301,758.15 and 58,990.10

Step by Step Solution

1. Step 1: Write the proportion equation
   201,145.10 : 301,758.15 = 58,990.10 : x
2. Step 2: Convert to fraction form
   201,145.10/301,758.15 = 58,990.10/x
3. Step 3: Cross multiply
   201,145.10x = 301,758.15 × 58,990.10
4. Step 4: Simplify right side
   201,145.10x = 17,800,743,444.32
5. Step 5: Solve for x
   x = 17,800,743,444.32/201,145.10
6. Step 6: Final answer
   x = 88,497.03