Finding the Fourth Proportional to 311,040,656.83, 429,249,146.71 and 178,881,756.53

Step by Step Solution

1. Step 1: Write the proportion equation
   311,040,656.83 : 429,249,146.71 = 178,881,756.53 : x
2. Step 2: Convert to fraction form
   311,040,656.83/429,249,146.71 = 178,881,756.53/x
3. Step 3: Cross multiply
   311,040,656.83x = 429,249,146.71 × 178,881,756.53
4. Step 4: Simplify right side
   311,040,656.83x = 76,784,841,353,114,384
5. Step 5: Solve for x
   x = 76,784,841,353,114,384/311,040,656.83
6. Step 6: Final answer
   x = 246,864,323.58