Finding the Fourth Proportional to 71,322.42, 98,428.32 and 43,027.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,322.42 : 98,428.32 = 43,027.50 : x
2. Step 2: Convert to fraction form
   71,322.42/98,428.32 = 43,027.50/x
3. Step 3: Cross multiply
   71,322.42x = 98,428.32 × 43,027.50
4. Step 4: Simplify right side
   71,322.42x = 4,235,124,538.80
5. Step 5: Solve for x
   x = 4,235,124,538.80/71,322.42
6. Step 6: Final answer
   x = 59,379.99