Finding the Fourth Proportional to 60,985, 91,383.03 and 42,301.36

Step by Step Solution

1. Step 1: Write the proportion equation
   60,985 : 91,383.03 = 42,301.36 : x
2. Step 2: Convert to fraction form
   60,985/91,383.03 = 42,301.36/x
3. Step 3: Cross multiply
   60,985x = 91,383.03 × 42,301.36
4. Step 4: Simplify right side
   60,985x = 3,865,626,449.92
5. Step 5: Solve for x
   x = 3,865,626,449.92/60,985
6. Step 6: Final answer
   x = 63,386.51