Finding the Fourth Proportional to 72,618,527.36, 108,935,762.56 and 36,236,074.88

Step by Step Solution

1. Step 1: Write the proportion equation
   72,618,527.36 : 108,935,762.56 = 36,236,074.88 : x
2. Step 2: Convert to fraction form
   72,618,527.36/108,935,762.56 = 36,236,074.88/x
3. Step 3: Cross multiply
   72,618,527.36x = 108,935,762.56 × 36,236,074.88
4. Step 4: Simplify right side
   72,618,527.36x = 3,947,404,449,234,061
5. Step 5: Solve for x
   x = 3,947,404,449,234,061/72,618,527.36
6. Step 6: Final answer
   x = 54,358,090.05