Finding the Fourth Proportional to 349,978.96, 525,045.00 and 113,345.56

Step by Step Solution

1. Step 1: Write the proportion equation
   349,978.96 : 525,045.00 = 113,345.56 : x
2. Step 2: Convert to fraction form
   349,978.96/525,045.00 = 113,345.56/x
3. Step 3: Cross multiply
   349,978.96x = 525,045.00 × 113,345.56
4. Step 4: Simplify right side
   349,978.96x = 59,511,520,631.55
5. Step 5: Solve for x
   x = 59,511,520,631.55/349,978.96
6. Step 6: Final answer
   x = 170,043.14