Finding the Fourth Proportional to 309,751,338.15, 427,443,751.76 and 168,619,624.52

Step by Step Solution

1. Step 1: Write the proportion equation
   309,751,338.15 : 427,443,751.76 = 168,619,624.52 : x
2. Step 2: Convert to fraction form
   309,751,338.15/427,443,751.76 = 168,619,624.52/x
3. Step 3: Cross multiply
   309,751,338.15x = 427,443,751.76 × 168,619,624.52
4. Step 4: Simplify right side
   309,751,338.15x = 72,075,404,922,210,960
5. Step 5: Solve for x
   x = 72,075,404,922,210,960/309,751,338.15
6. Step 6: Final answer
   x = 232,687,953.35