Finding the Fourth Proportional to 349,317.28, 524,077.98 and 112,654.72

Step by Step Solution

1. Step 1: Write the proportion equation
   349,317.28 : 524,077.98 = 112,654.72 : x
2. Step 2: Convert to fraction form
   349,317.28/524,077.98 = 112,654.72/x
3. Step 3: Cross multiply
   349,317.28x = 524,077.98 × 112,654.72
4. Step 4: Simplify right side
   349,317.28x = 59,039,858,095.07
5. Step 5: Solve for x
   x = 59,039,858,095.07/349,317.28
6. Step 6: Final answer
   x = 169,014.99