Finding the Fourth Proportional to 55,222,570.12, 76,207,377.72 and 30,442,213.12

Step by Step Solution

1. Step 1: Write the proportion equation
   55,222,570.12 : 76,207,377.72 = 30,442,213.12 : x
2. Step 2: Convert to fraction form
   55,222,570.12/76,207,377.72 = 30,442,213.12/x
3. Step 3: Cross multiply
   55,222,570.12x = 76,207,377.72 × 30,442,213.12
4. Step 4: Simplify right side
   55,222,570.12x = 2,319,921,233,868,579.50
5. Step 5: Solve for x
   x = 2,319,921,233,868,579.50/55,222,570.12
6. Step 6: Final answer
   x = 42,010,381.42