Finding the Fourth Proportional to 10,103,708.78, 13,943,123.71 and 5,457,493.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,103,708.78 : 13,943,123.71 = 5,457,493.79 : x
2. Step 2: Convert to fraction form
   10,103,708.78/13,943,123.71 = 5,457,493.79/x
3. Step 3: Cross multiply
   10,103,708.78x = 13,943,123.71 × 5,457,493.79
4. Step 4: Simplify right side
   10,103,708.78x = 76,094,511,060,526.77
5. Step 5: Solve for x
   x = 76,094,511,060,526.77/10,103,708.78
6. Step 6: Final answer
   x = 7,531,344.45