Finding the Fourth Proportional to 65,042.87, 97,494.31 and 42,545.07

Step by Step Solution

1. Step 1: Write the proportion equation
   65,042.87 : 97,494.31 = 42,545.07 : x
2. Step 2: Convert to fraction form
   65,042.87/97,494.31 = 42,545.07/x
3. Step 3: Cross multiply
   65,042.87x = 97,494.31 × 42,545.07
4. Step 4: Simplify right side
   65,042.87x = 4,147,902,030.83
5. Step 5: Solve for x
   x = 4,147,902,030.83/65,042.87
6. Step 6: Final answer
   x = 63,771.82