Finding the Fourth Proportional to 106,933,191.24, 147,688,169.40 and 72,269,066.28

Step by Step Solution

1. Step 1: Write the proportion equation
   106,933,191.24 : 147,688,169.40 = 72,269,066.28 : x
2. Step 2: Convert to fraction form
   106,933,191.24/147,688,169.40 = 72,269,066.28/x
3. Step 3: Cross multiply
   106,933,191.24x = 147,688,169.40 × 72,269,066.28
4. Step 4: Simplify right side
   106,933,191.24x = 10,673,286,103,140,468
5. Step 5: Solve for x
   x = 10,673,286,103,140,468/106,933,191.24
6. Step 6: Final answer
   x = 99,812,658.53