Finding the Fourth Proportional to 145,967,763.69, 201,436,047.52 and 78,986,722.15

Step by Step Solution

1. Step 1: Write the proportion equation
   145,967,763.69 : 201,436,047.52 = 78,986,722.15 : x
2. Step 2: Convert to fraction form
   145,967,763.69/201,436,047.52 = 78,986,722.15/x
3. Step 3: Cross multiply
   145,967,763.69x = 201,436,047.52 × 78,986,722.15
4. Step 4: Simplify right side
   145,967,763.69x = 15,910,773,116,510,766
5. Step 5: Solve for x
   x = 15,910,773,116,510,766/145,967,763.69
6. Step 6: Final answer
   x = 109,001,965.33