Finding the Fourth Proportional to 65,157.42, 89,925.72 and 36,488.01

Step by Step Solution

1. Step 1: Write the proportion equation
   65,157.42 : 89,925.72 = 36,488.01 : x
2. Step 2: Convert to fraction form
   65,157.42/89,925.72 = 36,488.01/x
3. Step 3: Cross multiply
   65,157.42x = 89,925.72 × 36,488.01
4. Step 4: Simplify right side
   65,157.42x = 3,281,210,570.62
5. Step 5: Solve for x
   x = 3,281,210,570.62/65,157.42
6. Step 6: Final answer
   x = 50,358.20