Finding the Fourth Proportional to 190,499.90, 285,549.82 and 64,096.26

Step by Step Solution

1. Step 1: Write the proportion equation
   190,499.90 : 285,549.82 = 64,096.26 : x
2. Step 2: Convert to fraction form
   190,499.90/285,549.82 = 64,096.26/x
3. Step 3: Cross multiply
   190,499.90x = 285,549.82 × 64,096.26
4. Step 4: Simplify right side
   190,499.90x = 18,302,676,219.55
5. Step 5: Solve for x
   x = 18,302,676,219.55/190,499.90
6. Step 6: Final answer
   x = 96,077.09