Finding the Fourth Proportional to 162,565, 243,626.10 and 91,521.52

Step by Step Solution

1. Step 1: Write the proportion equation
   162,565 : 243,626.10 = 91,521.52 : x
2. Step 2: Convert to fraction form
   162,565/243,626.10 = 91,521.52/x
3. Step 3: Cross multiply
   162,565x = 243,626.10 × 91,521.52
4. Step 4: Simplify right side
   162,565x = 22,297,030,983.67
5. Step 5: Solve for x
   x = 22,297,030,983.67/162,565
6. Step 6: Final answer
   x = 137,157.64