Finding the Fourth Proportional to 71,436.95, 107,147.86 and 29,321.47

Step by Step Solution

1. Step 1: Write the proportion equation
   71,436.95 : 107,147.86 = 29,321.47 : x
2. Step 2: Convert to fraction form
   71,436.95/107,147.86 = 29,321.47/x
3. Step 3: Cross multiply
   71,436.95x = 107,147.86 × 29,321.47
4. Step 4: Simplify right side
   71,436.95x = 3,141,732,421.38
5. Step 5: Solve for x
   x = 3,141,732,421.38/71,436.95
6. Step 6: Final answer
   x = 43,979.10