Finding the Fourth Proportional to 119,404.02, 164,780.22 and 65,691.90

Step by Step Solution

1. Step 1: Write the proportion equation
   119,404.02 : 164,780.22 = 65,691.90 : x
2. Step 2: Convert to fraction form
   119,404.02/164,780.22 = 65,691.90/x
3. Step 3: Cross multiply
   119,404.02x = 164,780.22 × 65,691.90
4. Step 4: Simplify right side
   119,404.02x = 10,824,725,734.22
5. Step 5: Solve for x
   x = 10,824,725,734.22/119,404.02
6. Step 6: Final answer
   x = 90,656.29