Finding the Fourth Proportional to 57,091,065.68, 78,785,747.06 and 30,985,583.88

Step by Step Solution

1. Step 1: Write the proportion equation
   57,091,065.68 : 78,785,747.06 = 30,985,583.88 : x
2. Step 2: Convert to fraction form
   57,091,065.68/78,785,747.06 = 30,985,583.88/x
3. Step 3: Cross multiply
   57,091,065.68x = 78,785,747.06 × 30,985,583.88
4. Step 4: Simplify right side
   57,091,065.68x = 2,441,222,373,921,165.50
5. Step 5: Solve for x
   x = 2,441,222,373,921,165.50/57,091,065.68
6. Step 6: Final answer
   x = 42,760,147.23