Finding the Fourth Proportional to 72,074,816.18, 108,151,581.91 and 30,569,236.55

Step by Step Solution

1. Step 1: Write the proportion equation
   72,074,816.18 : 108,151,581.91 = 30,569,236.55 : x
2. Step 2: Convert to fraction form
   72,074,816.18/108,151,581.91 = 30,569,236.55/x
3. Step 3: Cross multiply
   72,074,816.18x = 108,151,581.91 × 30,569,236.55
4. Step 4: Simplify right side
   72,074,816.18x = 3,306,111,290,663,491
5. Step 5: Solve for x
   x = 3,306,111,290,663,491/72,074,816.18
6. Step 6: Final answer
   x = 45,870,547.66