Finding the Fourth Proportional to 153,191.50, 211,404.27 and 89,582.74

Step by Step Solution

1. Step 1: Write the proportion equation
   153,191.50 : 211,404.27 = 89,582.74 : x
2. Step 2: Convert to fraction form
   153,191.50/211,404.27 = 89,582.74/x
3. Step 3: Cross multiply
   153,191.50x = 211,404.27 × 89,582.74
4. Step 4: Simplify right side
   153,191.50x = 18,938,173,754.30
5. Step 5: Solve for x
   x = 18,938,173,754.30/153,191.50
6. Step 6: Final answer
   x = 123,624.18