Finding the Fourth Proportional to 402,570,061.53, 603,787,825.62 and 111,466,610.76

Step by Step Solution

1. Step 1: Write the proportion equation
   402,570,061.53 : 603,787,825.62 = 111,466,610.76 : x
2. Step 2: Convert to fraction form
   402,570,061.53/603,787,825.62 = 111,466,610.76/x
3. Step 3: Cross multiply
   402,570,061.53x = 603,787,825.62 × 111,466,610.76
4. Step 4: Simplify right side
   402,570,061.53x = 67,302,182,540,011,296
5. Step 5: Solve for x
   x = 67,302,182,540,011,296/402,570,061.53
6. Step 6: Final answer
   x = 167,181,290.84