Finding the Fourth Proportional to 309,598.07, 464,462.69 and 99,383.63

Step by Step Solution

1. Step 1: Write the proportion equation
   309,598.07 : 464,462.69 = 99,383.63 : x
2. Step 2: Convert to fraction form
   309,598.07/464,462.69 = 99,383.63/x
3. Step 3: Cross multiply
   309,598.07x = 464,462.69 × 99,383.63
4. Step 4: Simplify right side
   309,598.07x = 46,159,985,312.53
5. Step 5: Solve for x
   x = 46,159,985,312.53/309,598.07
6. Step 6: Final answer
   x = 149,096.49