Finding the Fourth Proportional to 31,091,042.56, 42,905,714.88 and 17,340,897.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,091,042.56 : 42,905,714.88 = 17,340,897.28 : x
2. Step 2: Convert to fraction form
   31,091,042.56/42,905,714.88 = 17,340,897.28/x
3. Step 3: Cross multiply
   31,091,042.56x = 42,905,714.88 × 17,340,897.28
4. Step 4: Simplify right side
   31,091,042.56x = 744,023,594,459,047.62
5. Step 5: Solve for x
   x = 744,023,594,459,047.62/31,091,042.56
6. Step 6: Final answer
   x = 23,930,480.72