Finding the Fourth Proportional to 53,681,819.31, 74,083,007.97 and 30,479,105.25

Step by Step Solution

1. Step 1: Write the proportion equation
   53,681,819.31 : 74,083,007.97 = 30,479,105.25 : x
2. Step 2: Convert to fraction form
   53,681,819.31/74,083,007.97 = 30,479,105.25/x
3. Step 3: Cross multiply
   53,681,819.31x = 74,083,007.97 × 30,479,105.25
4. Step 4: Simplify right side
   53,681,819.31x = 2,257,983,797,154,219
5. Step 5: Solve for x
   x = 2,257,983,797,154,219/53,681,819.31
6. Step 6: Final answer
   x = 42,062,356.05