Finding the Fourth Proportional to 404,742.32, 607,105.10 and 134,890.02

Step by Step Solution

1. Step 1: Write the proportion equation
   404,742.32 : 607,105.10 = 134,890.02 : x
2. Step 2: Convert to fraction form
   404,742.32/607,105.10 = 134,890.02/x
3. Step 3: Cross multiply
   404,742.32x = 607,105.10 × 134,890.02
4. Step 4: Simplify right side
   404,742.32x = 81,892,419,081.10
5. Step 5: Solve for x
   x = 81,892,419,081.10/404,742.32
6. Step 6: Final answer
   x = 202,332.24