Finding the Fourth Proportional to 55,743,144, 76,925,538.72 and 31,297,382.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,743,144 : 76,925,538.72 = 31,297,382.88 : x
2. Step 2: Convert to fraction form
   55,743,144/76,925,538.72 = 31,297,382.88/x
3. Step 3: Cross multiply
   55,743,144x = 76,925,538.72 × 31,297,382.88
4. Step 4: Simplify right side
   55,743,144x = 2,407,568,038,570,105
5. Step 5: Solve for x
   x = 2,407,568,038,570,105/55,743,144
6. Step 6: Final answer
   x = 43,190,388.37