Finding the Fourth Proportional to 71,518.32, 107,199.72 and 29,916.72

Step by Step Solution

1. Step 1: Write the proportion equation
   71,518.32 : 107,199.72 = 29,916.72 : x
2. Step 2: Convert to fraction form
   71,518.32/107,199.72 = 29,916.72/x
3. Step 3: Cross multiply
   71,518.32x = 107,199.72 × 29,916.72
4. Step 4: Simplify right side
   71,518.32x = 3,207,064,007.32
5. Step 5: Solve for x
   x = 3,207,064,007.32/71,518.32
6. Step 6: Final answer
   x = 44,842.55