Finding the Fourth Proportional to 303,697,411.60, 456,272,860.20 and 194,736,062.56

Step by Step Solution

1. Step 1: Write the proportion equation
   303,697,411.60 : 456,272,860.20 = 194,736,062.56 : x
2. Step 2: Convert to fraction form
   303,697,411.60/456,272,860.20 = 194,736,062.56/x
3. Step 3: Cross multiply
   303,697,411.60x = 456,272,860.20 × 194,736,062.56
4. Step 4: Simplify right side
   303,697,411.60x = 88,852,780,248,337,328
5. Step 5: Solve for x
   x = 88,852,780,248,337,328/303,697,411.60
6. Step 6: Final answer
   x = 292,570,093.96