Finding the Fourth Proportional to 443,610,925.74, 612,141,994.76 and 245,368,153.80

Step by Step Solution

1. Step 1: Write the proportion equation
   443,610,925.74 : 612,141,994.76 = 245,368,153.80 : x
2. Step 2: Convert to fraction form
   443,610,925.74/612,141,994.76 = 245,368,153.80/x
3. Step 3: Cross multiply
   443,610,925.74x = 612,141,994.76 × 245,368,153.80
4. Step 4: Simplify right side
   443,610,925.74x = 150,200,151,116,483,648
5. Step 5: Solve for x
   x = 150,200,151,116,483,648/443,610,925.74
6. Step 6: Final answer
   x = 338,585,328.72