Finding the Fourth Proportional to 309,465, 464,404.86 and 112,473

Step by Step Solution

1. Step 1: Write the proportion equation
   309,465 : 464,404.86 = 112,473 : x
2. Step 2: Convert to fraction form
   309,465/464,404.86 = 112,473/x
3. Step 3: Cross multiply
   309,465x = 464,404.86 × 112,473
4. Step 4: Simplify right side
   309,465x = 52,233,007,818.78
5. Step 5: Solve for x
   x = 52,233,007,818.78/309,465
6. Step 6: Final answer
   x = 168,784.86