Finding the Fourth Proportional to 57,093,680, 78,789,364.98 and 30,988,207.38

Step by Step Solution

1. Step 1: Write the proportion equation
   57,093,680 : 78,789,364.98 = 30,988,207.38 : x
2. Step 2: Convert to fraction form
   57,093,680/78,789,364.98 = 30,988,207.38/x
3. Step 3: Cross multiply
   57,093,680x = 78,789,364.98 × 30,988,207.38
4. Step 4: Simplify right side
   57,093,680x = 2,441,541,181,338,749.50
5. Step 5: Solve for x
   x = 2,441,541,181,338,749.50/57,093,680
6. Step 6: Final answer
   x = 42,763,773.18