Finding the Fourth Proportional to 71,837.94, 99,145.41 and 43,540.02

Step by Step Solution

1. Step 1: Write the proportion equation
   71,837.94 : 99,145.41 = 43,540.02 : x
2. Step 2: Convert to fraction form
   71,837.94/99,145.41 = 43,540.02/x
3. Step 3: Cross multiply
   71,837.94x = 99,145.41 × 43,540.02
4. Step 4: Simplify right side
   71,837.94x = 4,316,793,134.31
5. Step 5: Solve for x
   x = 4,316,793,134.31/71,837.94
6. Step 6: Final answer
   x = 60,090.71