Finding the Fourth Proportional to 71,458.08, 107,100.72 and 51,599.04

Step by Step Solution

1. Step 1: Write the proportion equation
   71,458.08 : 107,100.72 = 51,599.04 : x
2. Step 2: Convert to fraction form
   71,458.08/107,100.72 = 51,599.04/x
3. Step 3: Cross multiply
   71,458.08x = 107,100.72 × 51,599.04
4. Step 4: Simplify right side
   71,458.08x = 5,526,294,335.31
5. Step 5: Solve for x
   x = 5,526,294,335.31/71,458.08
6. Step 6: Final answer
   x = 77,336.17