Finding the Fourth Proportional to 57,091,026.88, 78,785,693.12 and 30,985,544.71

Step by Step Solution

1. Step 1: Write the proportion equation
   57,091,026.88 : 78,785,693.12 = 30,985,544.71 : x
2. Step 2: Convert to fraction form
   57,091,026.88/78,785,693.12 = 30,985,544.71/x
3. Step 3: Cross multiply
   57,091,026.88x = 78,785,693.12 × 30,985,544.71
4. Step 4: Simplify right side
   57,091,026.88x = 2,441,217,616,678,099.50
5. Step 5: Solve for x
   x = 2,441,217,616,678,099.50/57,091,026.88
6. Step 6: Final answer
   x = 42,760,092.96