Finding the Fourth Proportional to 71,431, 98,530.32 and 45,970.60

Step by Step Solution

1. Step 1: Write the proportion equation
   71,431 : 98,530.32 = 45,970.60 : x
2. Step 2: Convert to fraction form
   71,431/98,530.32 = 45,970.60/x
3. Step 3: Cross multiply
   71,431x = 98,530.32 × 45,970.60
4. Step 4: Simplify right side
   71,431x = 4,529,497,928.59
5. Step 5: Solve for x
   x = 4,529,497,928.59/71,431
6. Step 6: Final answer
   x = 63,410.82