Finding the Fourth Proportional to 235,401.56, 353,146.08 and 77,641.10

Step by Step Solution

1. Step 1: Write the proportion equation
   235,401.56 : 353,146.08 = 77,641.10 : x
2. Step 2: Convert to fraction form
   235,401.56/353,146.08 = 77,641.10/x
3. Step 3: Cross multiply
   235,401.56x = 353,146.08 × 77,641.10
4. Step 4: Simplify right side
   235,401.56x = 27,418,650,111.89
5. Step 5: Solve for x
   x = 27,418,650,111.89/235,401.56
6. Step 6: Final answer
   x = 116,476.08