Finding the Fourth Proportional to 65,303.19, 90,091.53 and 42,634.32

Step by Step Solution

1. Step 1: Write the proportion equation
   65,303.19 : 90,091.53 = 42,634.32 : x
2. Step 2: Convert to fraction form
   65,303.19/90,091.53 = 42,634.32/x
3. Step 3: Cross multiply
   65,303.19x = 90,091.53 × 42,634.32
4. Step 4: Simplify right side
   65,303.19x = 3,840,991,119.31
5. Step 5: Solve for x
   x = 3,840,991,119.31/65,303.19
6. Step 6: Final answer
   x = 58,817.82