Finding the Fourth Proportional to 65,043.12, 97,494.69 and 42,545.31

Step by Step Solution

1. Step 1: Write the proportion equation
   65,043.12 : 97,494.69 = 42,545.31 : x
2. Step 2: Convert to fraction form
   65,043.12/97,494.69 = 42,545.31/x
3. Step 3: Cross multiply
   65,043.12x = 97,494.69 × 42,545.31
4. Step 4: Simplify right side
   65,043.12x = 4,147,941,809.40
5. Step 5: Solve for x
   x = 4,147,941,809.40/65,043.12
6. Step 6: Final answer
   x = 63,772.18